Hidden Lessons in Terminology
and What Hatsumi’s Book Reveals About Training
Some real surprises come up when we least expect them. I wanted to read through Hatsumi Sensei’s book “Unarmed Fighting Techniques of the Samurai” and did NOT expect to find this twist. Let’s examine how Hatsumi Sensei encoded specific teaching lessons into the specific words revealed from the lineage scrolls—and what that means for how you train, teach, and think about partner roles.
If you want my full deep-dive, watch the video here. But here, let’s unpack the key takeaways and practical applications you can use in your dojo right now.
The Setup: What I Found (and Why It Matters)
I went through the Japanese text in Hatsumi Sensei's Unarmed Fighting Techniques of the Samurai line by line, cross-referencing every Taiutsu kata with my training notes from Manaka Sensei in Japan. The consistency was striking. The terminology wasn't random. It was deliberate.
Here's what jumped out: The way the scrolls refer to your training partner changes … by lineage, by scroll within a lineage, and even by kata within one scroll. And each change carries a specific teaching.
Four Key Training Partner Terms We Use ALL the Time in Kata
We all typically use four Japanese terms to define a training partner's role:
Aite Gata (相手方) — The opposing partner
Teki (敵) — The opponent/enemy
Uke / Uke Gata (受け方) — The receiver
Sou Hou (双方) — Both people (reciprocal)
Each one carries a different intent, and tells your training partner what role they should be playing—and what emotional content they should be contributing. Let's examine each term, its meaning, and how it changes your approach to training.
What Does Aite Gata Mean? The Training Partner Before Action Begins
Definition and Etymology of Aite Gata
Aite Gata (相手方) translates most directly to "opponent," but that's only half the story.
Breaking down the characters:
Ai (相) = mutual, inter-
Te (手) = hand
Gata (方) = person
A literal translation of something like “mutual hand person” doesn’t really work. In modern Japanese business and formal settings, Aite Gata is used often for the "opposite party"— and not really as “enemy.” It’s just the person across from you in a negotiation, conversation, or other formal interaction.
Where Aite Gata Appears in Kata
Almost every kata in the scrolls begins with Aite Gata: Before the action. Before any violence is implied. I wasn’t expecting it, but this is the most common introductory role designation.
The Teaching Lesson: Relationship Before Technique
Before the kata action gets underway, the typical kata is telling us something crucial: this is about relationship, presence, and awareness. It's about perception of how we relate to this other person. Over and over again, the very first lesson is about how you show up—not what you do.
Taking it a little further, that means that when you're training as Aite Gata, your job is to create a clear, present, engaged human across from your partner. Not an enemy. Not an attacker. (At least, not always) Just another person. This shifts training from a mechanical exchange or choreographed “dance” to a more real human interaction. This is how training can (and should?) relate to application in self defense.
Manaka Sensei said over and over again that you have to do both: RenShuu and KeiKo. For him, that meant doing technical “drilling” to get skills on their own. That’s the RenShuu “practice.” And the other time is for adding emotional content, stress, and decision-making. That is the KeiKo version of “practice.” And here we are, and it’s showing up a little more hidden in the way Hatsumi Sensei writes out the names of the roles in the kata for us.
How to Train as Aite Gata: Practical Applications
When you're Aite Gata, your approach should be:
Take your time. Don't rush straight into the technique. Have an emotion or reason for your actions.
Use your posture, eye contact, and timing to stimulate a response from your partner.
Let them learn from your presence. This is foundational. Picking up on this more often is a HUGE step towards the sensitivity you expect in a teacher or high level student.
Establish intent before intensity. Show up as a real human, not a choreography partner. Not just RenShu. Add in the KeiKo.
The Mirror Warm-Up: Building Aite Gata Awareness
One warm-up I've used since my dojo in Los Angeles builds this directly into training:
Have partners face off and mirror each other through different kamae transitions. Neither person is leading. That means you’re both leading AND both following. You have to read the other person’s intent while delivering your own. And to be worth the effort, you have to project the feeling of the kamae as strongly as you can WHILE being sensitive to when you feel your partner’s energy and emotion switch. This builds in the immediate expectation that training includes intent, precision, and purposeful movement from the very start.
Try that as a warm-up.
What Does Teki Mean? The Enemy Role: When Kata Action Begins
Definition of Teki and When It Appears
Once the kata action begins—the moment a “technique” is initiated—the scrolls often switch terminology. Your training partner becomes Teki (敵). For details about which kata in which scrolls in which lineages, please watch the video.
Teki literally means enemy or opponent in the direct, adversarial sense. Not "opposite party." Not "mutual partner." Enemy.
The moment the action starts, so does the terminology shift.
The Psychological Shift: Same Person, Different Role
Same person. One heartbeat earlier, they were Aite Gata. Now they're Teki.
What changed? You did.
From an ecological dynamics standpoint, your “perception” shifted. The environment hasn't changed. The person hasn't changed. But your awareness of the threat has. I feel confident in saying that's the point the scroll is making by using that change of terminology.
This mirrors how real violence unfolds: a moment of presence and relative calm instantly becomes a moment of genuine threat and high-stakes problem-solving.
How to Train as Teki: Bringing Genuine Pressure
As Teki, your job fundamentally changes. Now you bring:
Pressure — genuine resistance and force
Intention — you're attacking to succeed, not just move through choreography
Emotional weight — your partner should feel the shift from Aite Gata to Teki
Please, you have to maintain safety in training enough to keep training. You attack as if you mean it—with controlled intensity, appropriate to your partner's ability at that moment. Your partner needs to feel that psychological shift. They need to know what it's like when awareness of genuine danger focuses their problem-solving into high-speed adaptation. Giving them that stress IS a part of what’s written in the scrolls.
It was there all along. I just hadn’t noticed it.
Why This Matters for Skill Development
This is also how you teach what having “been there, done that" actually means. Your student isn't just memorizing a choreographed sequence. They're experiencing the moment when an unknown becomes a threat. That experience, repeated hundreds of times, is the real gift you’re giving and getting in training.
What Does Uke Mean in Martial Arts Training? The Missing Role
Definition and Etymology of Uke
Uke (受け) traditionally translates as "receiver" or "one who receives."
In martial arts, we use this word constantly:
Ukemi (受身) — falling/receiving a throw
Uke Nagashi (受け流し) — deflecting/flowing with an attack
Uke Gata (受け方）— the receiving person (kind of a formal word choice)
The standard pairing we say all the time is [ Uke (receiver) and Tori (doer/taker).]
The Mystery: Why Uke Doesn't Appear in Taiutsu Kata Scrolls
Here's where my brain got twisted.
When I went through every Taiutsu kata in Hatsumi Sensei's “Unarmed Fighting Techniques of the Samurai,” there was NO reference to Uke. Zero. Not once. I re-checked, more than once.
I don’t think it’s completely missing: in my personal Shinden Fudo Ryu Ju-Taiutsu notes from training directly with Manaka Sensei, Uke appeared regularly. But that scroll isn’t in the book.
Why not?
The answer might be in how the Japanese language uses the word outside martial arts. For example, when you "uke" an exam in Japanese, you don't "take" it as a proactive word - you receive it. You're the one being evaluated. You're the one learning through pressure.
Maybe the absence is intentional. And perhaps historical. Maybe the term was understood differently than we use it today.
What Does the Bad Guy Actually Do? The Hidden Role
Ok. Maybe it’s not usually “Uke”. But for sure, having a good bad-guy is critical for understanding training partner dynamics:
That person controls:
The pacing of the exchange
The spacing and distance
The rhythm and timing
Whether the lesson feels real or like empty choreography
You're Actively Creating the Learning Opportunity
As the “attacker” you're not just passively receiving the technique. You're actively creating the entire learning opportunity, for both of you.
Sometimes that means:
Strong resistance — forcing your partner to problem-solve against real pressure
Clear structure — providing predictable patterns so your partner can refine timing
Adaptive timing — changing speed and rhythm to force your partner to adjust
Graduated challenge — meeting your partner exactly at the edge of their capability
Even in practicing a kata, you're (hopefully) not following a script. You're co-creating the conditions that allow learning to happen.
The Uke Role in Skill Acquisition
I hear it all the time, and I agree: When I've trained as Uke with advanced instructors, I learned more.
That's the power of the role. So go ahead and use the word if you want! Uke is not the "receiving" role the way we usually translate it. Uke is the "responsibility" role.
What Does Sou Hou Mean? The Reciprocal Training Role
Definition and Meaning of Sou Hou
Sou Hou (双方) literally means "both sides" or "both people." It's the only training partner term that explicitly names both participants as equals.
Where Sou Hou Appears: Rare But Significant
This one surprised me. Again, I checked my notes multiple times.
In my Shinden Fudo Ryu Ju-Taiutsu notes, in the ChuDen, I found exactly three kata that use Sou Hou—literally referring to both roles simultaneously. Those were:
Tsuki no Wa
Kasa Barai
Kaku Sei
Yeah, that’s not a lot. Most kata designate clear roles. But in those few kata where Sou Hou appears, something different is happening.
The Lesson: Reciprocal Pattern Creation, Not Dominance
They're about reciprocal pattern creation. Both roles have to adjust and adapt to each other for the kata to make any sense. Both must respond to each other in real time.
Training in Sou Hou: Co-Creating the Situation
It’s worth trying this in any technique training. And it is totally what I was suggesting in the kamae warm-up I mentioned earlier.
You're not "the teacher" with a "student."
You're not "the attacker" and "the defender."
You're both shaping the adaptation.
Neither of you is "the one learning" while the other "teaches." You're both learning from the constraints of the moment. You're both adapting. You're both responsible. It’s pretty cool.
This mirrors the ecological dynamics view perfectly, too. The lesson isn't from the technique itself. It's in the adaptation.
Why Kata Uses "Ware" (I) Instead of "Tori" (Doer): Direct Perception
The Hidden Pronoun Shift in Kata Language
I accepted that I couldn’t find “Uke” anywhere in the book. While we're unpacking partner terminology, there's one more critical element worth noting. And that’s the word that usually goes with it.
Throughout the kata, when referring to the person doing the technique, the scrolls use Ware (我)—literally "I" or "self."
They never use Tori as the word for "the one who performs the technique." Yeah. I know: We say it all the time. It’s just not in there, though.
Why This Word Choice Matters
This shift is subtle, but it's powerful.
Japanese doesn't require pronouns the way English does. The fact that Hatsumi Sensei chose to make sure we see the use of a self-referencing word for "I" tells us something important: the scroll isn't describing some abstract technique performed by someone else.
The scroll is talking directly to you, the reader. It's written as your personal experience, not as instructions for how someone else moves.
How to Read Kata Using "Ware": First-Person Embodiment
This has a direct implication for how you should read and practice kata:
Read your kata aloud in the first person:
"I step diagonally back"
"I evade the incoming punch"
"I counter-strike to the neck"
"I establish control"
Not: "The tori steps" or "The defender should..."
Use the first-person. I promise you, this changes how your brain processes what’s happening.
Direct Perception vs. Choreography
When you read in the third-person, your brain has no problem copying choreography: watch how somebody else moves, and try to copy it.
But in the first-person, your brain is using “direct perception.” Even while you’re just reading it, the kata becomes your own experience, not an instruction manual for someone else.
That’s huge.
Practical Implementation: Using Kata Terminology in Your Dojo
How to Layer This Into Your Current Teaching
No need to make major changes, of course. All of this fits what you're already doing:
1. Develop Aite-Gata Presence Work
Dedicate time to relationship-building drills:
Mirror work where partners echo each other through kamae transitions
Intentional pacing exercises that build the expectation that training begins with presence
Emphasis on eye contact, posture, and timing before technique begins
2. Coach the Teki Role Explicitly
Teach your senior students what this role actually means:
Attacking with genuine intention - safe but still real
The transition in emotion is a critical thing to practice
3. Make First-Person Kata Reading Standard Practice
Build this into how your students study:
Kata reading aloud in first-person is the baseline expectation
"I step. I evade. I counter." instead of third-person descriptionThis shifts from choreography-copying to direct perception
How Lineage Variations Reveal Teaching Priorities
Gyokko Ryu Always Uses Teki
Super interesting: Every single kata in Gyokko Ryu refers to the opponent as Teki. No exceptions. That’s from the book, and my own training notes with Manaka Sensei.
Takagi Yoshin Ryu Shifts Between Sections
The Omote gata (outer/first techniques) uses Aite Gata extensively
The Ura gata (inner/advanced techniques) switches predominantly to Teki
Other sections like Moguri Kata mostly stay with Teki
Shinden Fudo Ryu Uses All Four Terms
Shinden Fudo Ryu uses them all: Aite Gata, Teki, Uke, and even Sou Hou
Final Thoughts: The Scrolls as a Teaching Code
I don’t think these are accidents. The variations teach us what each lineage prioritizes.
While I really enjoyed digging into this, I don't think Open Budo has the definitive interpretation of these words. I’m offering a perspective grounded in direct training experience and careful textual comparison. I hope it’s at least interesting. The real test is whether it changes how you train.
So here's my actual question for you: What does it change when you think of your training partners in these specific roles? What shows up differently when you read kata in the first person?
Drop a comment and let's figure this out together. That's where the real learning happens—in the conversation between people who care about this art.
Quick Reference: Kata Terminology at a Glance
Aite Gata (相手方) — Mutual/Formal Partner
When It Appears: Beginning of kata, before action
Your Job: Establish presence
Key Focus: Relationship & awareness
Teki (敵) — Enemy/Opponent
When It Appears: When action starts
Your Job: Bring genuine pressure
Key Focus: Threat awareness & adaptation
Uke (受け) — Receiver
When It Appears: Designated roles (notably absent from Taiutsu scrolls)
Your Job: Create learning environment
Key Focus: Responsibility & architecture
Sou Hou (双方) — Both People Mutual
When It Appears: Rare; reciprocal kata
Your Job: Co-create the pattern
Key Focus: Mutual adaptation & learning
Ware (我) — "I" (First Person)
When It Appears: Throughout technical descriptions
Your Job: Read and embody
Key Focus: Direct perception, not choreography
Watch the Full Video
For the complete breakdown, including specific lineage examples, deeper Japanese language analysis, and extended discussion of how these concepts apply across different schools, watch the full video on Open Budo's YouTube channel and be a part of the comments there.