剣道
けんどう
kendo
= Japanese fencing / way of the sword
Kendo is Japan’s traditional martial art of sword fighting, practiced with a bamboo sword called a shinai and full protective armor called bogu. Unlike sport fencing, kendo explicitly frames itself as a path of moral and spiritual development — the word itself encodes that purpose.
Kendo (剣道) literally means ‘way of the sword’ and refers to a codified Japanese martial art derived from samurai swordsmanship (kenjutsu). Practitioners — called kendoka — use a shinai (four-slat bamboo sword) to score points by striking designated target areas: the top of the head (men), wrists (kote), body (dō), and throat (tsuki). Full armor (bogu) protects these areas during practice and competition.
Kendo distinguishes between keiko (稽古, regular training practice) and shiai (試合, competitive matches). In keiko the emphasis is on correct form, spirit, and technique; in shiai, two competitors face a referee panel and points are awarded only when a strike combines proper technique, spirit, posture, and follow-through — a standard called yūkō-datotsu.
The rank system uses kyū (級, numbered from 6-kyū upward) for beginners and dan (段, from 1-dan to 8-dan) for advanced practitioners. The highest grades require not only technical mastery but demonstration of kendo’s ethical ideals, which are codified in the Nihon Kendo Kata and the concept of bushido (the samurai code of conduct).
Learners frequently confuse kendo with karate or judo. Kendo is specifically sword-based and always uses the shinai and bogu — no empty-hand techniques exist in it. Judo (柔道) is a grappling art; karate (空手) is a striking art with no weapons or armor in standard practice.
Note that 剣道 is written with 剣 (sword), not 券 (ticket) or 検 (inspect), which share similar readings. When speaking, the long vowel in kendō is often shortened to kendo in English loanword usage, but in formal Japanese contexts pronouncing the long ō is correct.
The phrase shinai o toru (竹刀を取る, to pick up the shinai) is a natural way to say someone has started practicing kendo. Avoid saying kendo o suru in highly formal contexts; kendo o osameru (剣道を修める, to master/cultivate kendo) better captures the discipline’s self-improvement nuance.
剣 (ken) depicts a sword: the radical 刀 (knife/blade) combined with 僉 (a phonetic component suggesting ‘all together,’ evoking a double-edged weapon). The character appears in words like 剣士 (kenshi, swordsman) and 真剣 (shinken, live blade / serious). 道 (dō) is the character for ‘road’ or ‘way,’ composed of 辶 (movement radical) and 首 (head, implying conscious direction of one’s steps). In Japanese martial arts, 道 signals a lifelong discipline rather than mere technique — the same suffix appears in 柔道 (jūdō) and 合気道 (aikidō), but kendo’s use is historically the earliest standardized, dating to the Meiji-era codification of samurai arts into modern educational practice.
Everyday use
弟は毎週土曜日に剣道の稽古に通っている。
Otōto wa maishū doyōbi ni kendō no keiko ni kayotte iru.
My younger brother goes to kendo practice every Saturday.
Casual / Social Media
剣道を始めて3年、ようやく初段を取れました！
Kendō o hajimete san-nen, yōyaku shodan o toremashita!
Three years into kendo and I finally passed my 1st-dan exam!
Formal / Cultural context
剣道は礼儀と精神修養を重んじる日本の伝統武道です。
Kendō wa reigi to seishin shūyō o omonjiru Nihon no dentō budō desu.
Kendo is a traditional Japanese martial art that places great importance on etiquette and spiritual cultivation.
Kendo occupies a unique institutional role in Japan: it is one of the few martial arts taught as a compulsory or elective subject in middle and high school physical education under the Ministry of Education’s curriculum. This means many Japanese people have at least tried swinging a shinai, even if they never continued beyond school. School kendo clubs (kendō-bu) are a genuine rite of passage in countless coming-of-age stories in Japanese culture, where the early-morning practices and strict senpai-kōhai (senior-junior) relationships shape students’ characters as much as their technique.
The spiritual backbone of kendo is the concept of kendō no rinen — the doctrine formally adopted by the All Japan Kendo Federation in 1975, which states that kendo’s purpose is ‘to mold the mind and body, to cultivate a vigorous spirit, and through correct and rigid training, to strive for improvement in the art of kendo.’ This distinguishes kendo from pure sport: a match won without proper spirit and posture can be disqualified even if the physical strike lands. The deep bow (rei) performed before and after every practice and match is not ceremonial decoration but a structural expression of this philosophy, tied directly to the samurai ethic of treating each encounter — practice or combat — as potentially one’s last.