Kumdo () is the Korean term for kendo, the Japanese discipline of swordsmanship. The name is also romanized as Kŏmdo, Keomdo, Gumdo, and Geomdo.
Kumdo, commonly translated as "the way of the sword," encompasses various sword-based martial arts influenced by Japanese traditions. Among these, Haidong Gumdo, a popular style in Korea, emphasizes broad, flowing sword movements intended to replicate ancient battlefield techniques, in contrast to kendo’s focus on precision and controlled strikes.
Since its introduction from Japan, kendo has been widely integrated into Korean culture and society. Over time, the term "kumdo" has evolved into a broader label encompassing Korean martial arts rooted in swordsmanship. It can refer to the competitive, sport-oriented practice originated from Japan, as well as other martial forms such as Haidong Gumdo and Hankumdo.
Although descended from kendo, Korean kumdo has distinct characteristics shaped by cultural adaptation. Notable differences include the use of native Korean terminology, blue flags for referees instead of red, and slight modifications to the uniform, mainly the restrictions on the use of hakama by practitioners. These distinctions reflect the Korean nationalist efforts to turn Kendo into a different martial arts and create a unique Korean identity.
History
The introduction of bamboo practice swords and protective armor in sword training is attributed to Naganuma Shirōzaemon Kunisato of the Jikishinkage-ryū during the Shōtoku era (1711–1716).
In April 1895, the Dai Nippon Butoku Kai (DNBK) was established in Kyoto, Japan, to preserve traditional martial arts such as swordsmanship, archery, and unarmed combat. Over centuries of military heritage, Japanese swordsmen had developed numerous schools of kenjutsu (lit. "sword techniques"), which formed the foundation of the DNBK’s approach to sword training.
Introduction to Korea In 1896, the DNBK expanded to Korea, establishing the Dai Nippon Butokukai – Chōsen-bu (Korean Branch) under Nakamura Tokichi. Japanese kenjutsu, similar to jūdō, was integrated into the Japanese educational system in 1911, largely due to the efforts of Naitō Takaharu and Isogai Hajime, both affiliated with the DNBK. The adoption of flexible bamboo swords and protective armor allowed for safer training and full-contact sparring. Initially referred to as gekiken (Kyūjitai: 擊劍; Shinjitai: 撃剣; lit. "hitting sword"), this sporting form of swordsmanship was renamed kendō in 1920.
During the Japanese occupation of Korea (1910–1945), kendō was introduced into Korean schools, often using Korean terminology instead of Japanese. In 1939, it became a mandatory subject in Korean educational institutions and continued to be practiced until the end of World War II. Following Korea’s liberation in 1945, kumdo and kendō evolved into separate yet closely related martial arts.
Timeline of Kumdo development
1895 – The Dai Nippon Butokukai (All Japan Martial Virtue Society) is established in Kyoto by martial arts enthusiasts to promote traditional disciplines such as archery, jūjutsu, and kenjutsu.An Apologetic for the DNBK, 1947; Svinth, Joseph R.; Nov 22, 2002 1895 – Japanese advisors, including those specializing in law enforcement training, are assigned to Korea. As part of the Kabo Reforms of 1894, cadets at the Kyŏngmujŏng (Police Academy) are required to train in kyŏk-gŏm (J. gekiken, "combat swordsmanship"). 1896 – The Dai Nippon Butokukai – Chōsen-bu (Korean Branch) is established under Nakamura Tokichi. 1904 – Training in Japanese military swordsmanship (kyŏk-gŏm) is incorporated into the curriculum of the Yŏnsŏng Army Academy. 1906 – Gekiken is introduced into the Korean school curriculum. 1908 – A tournament is held between Korean police and their Japanese counterparts. Gekiken is included in Korea’s first national physical education program. 1910 – Korea is officially annexed by Japan. 1919 – The term kendō is formally adopted in Japan on August 1. 1927 – Kumdo becomes an official subject in junior high schools in Korea. 1935 – Kumdo is included in the 16th National Joseon Sports Festival. 1945 – Korea gains independence from Japanese rule. 1947 – The first Kumdo restructuring efforts begin, marked by the Seoul Police Kumdo Tournament. 1948 – Approximately 100 high-ranking kumdo instructors convene at Changdeokgung Palace, forming the precursor to the Korean Kumdo Association (KKA). 1950 – The 1st National Police Kumdo Tournament is held. 1952 – A committee is established to oversee the formalization of the KKA. 1953 – The KKA is officially inaugurated and affiliated with the Korean Amateur Sports Association. The 1st National Individual Kumdo Championships take place, coinciding with the establishment of the All Japan Kendo Federation. 1956 – After a 20-year hiatus, kumdo is reinstated as an official event in the National Sports Festival. 1959 – The President’s Cup Grade Category Tournament and the National Student Championships increase kumdo’s popularity. 1964 – The Student Kumdo Federation affiliates with the KKA. 1970 – The Student Kumdo Federation divides into the Collegiate Federation and the Secondary Schools Federation. The International Kendo Federation is founded, with a Korean representative serving as Vice President. 1972 – Kumdo is introduced in the National Youth Sports Meet. 1979 – The Dong-a Ilbo news agency collaborates with the KKA to sponsor the President’s Cup National Championships. 1988 – The Korean Social Kumdo Federation is formed, followed by the inaugural National Social Championships. 1993 – The SBS Royal National Championships are established.
This timeline illustrates the development of kumdo from its early introduction in Korea to its modern evolution as a distinct martial art.
Today
Philosophy
Like many martial arts, kumdo embodies both historical traditions and contemporary philosophical principles. While its sports-oriented aspects emphasize competition and skill development, kumdo also seeks to cultivate strong character in its practitioners. A key tenet of the discipline is that personal integrity and ethical conduct enhance competitive spirit while upholding values such as courtesy, respect, sportsmanship, and fair play.
Despite being a modern martial art, kumdo schools continue to draw inspiration from historical ethical codes, including the O-Gae (오계), or "Five Tenets," which trace their origins to the Silla Kingdom during the Three Kingdoms period. The modern interpretation of these tenets is as follows:
Be loyal and faithful to your country and organization. Be faithful and respectful to your parents and elders. Be faithful and respectful to your friends and colleagues. Be confident and show courage when faced with injustice. Be benevolent."
Mental and philosophical training
In addition to these foundational principles, modern kumdo incorporates additional philosophical teachings, particularly those addressing the psychological challenges of competition. One such concept is the "Four Poisons," which practitioners seek to overcome through disciplined training. These are:
Surprise Fear Doubt (or Hesitation) Confusion
Regular and dedicated practice is believed to help practitioners control these natural reactions, allowing for clearer decision-making and execution in combat.
Another key concept in kumdo is Pyeongsangsim (평상심), or "emptiness," referring to a state of mental calmness and detachment in which external circumstances do not disrupt the natural execution of techniques. Additionally, practitioners strive for Kiwi (기위), a state of mental, physical, and spiritual discipline that fosters clarity and objectivity. Finally, Jan Sim (잔심), (lit. "remaining mind") emphasizes perseverance and steadfastness, ensuring focus and commitment even in the face of adversity.HwaRang Keomdo Association Student Manual; USA Hwarang Kumdo Association, 1999; pg 7–8
Equipment
The protective equipment used in kumdo is called hogu (), equivalent to bōgu in Japanese. It consists of six main components:
(NOT SHOWN.) Myŏn-soo-goon (, tenugui in Japanese): A cotton scarf worn under the helmet to absorb perspiration and prevent vision obstruction. It is sometimes referred to as a Dougong, though this term should not be confused with the Chinese architectural element.
(A.) Homyeoun (, men in Japanese): A helmet with a metal grille and a throat guard that protects the head and neck.
(B.) Kap (, dō in Japanese): A chest protector that protects the torso from strikes.
(D.) Kapsang (, tare in Japanese): A canvas and leather skirt worn around the waist that protects the hip and groin area.
(C, E.) Howan (, kote in Japanese): A pair of padded mitts with cuffs that protects the hands and wrists.
Additionally, as with other contact sports, the use of a mouthguard (eep bohodae) is strongly encouraged.
Kumdo practitioners use a bamboo sword known as a juk-do (죽도) for striking, thrusting, and defensive maneuvers. The juk-do consists of several parts:
(1.) Pommel: Though a structural part of the sword, it is not considered a valid point of contact in competition.
(2.) Ko-dûng-i: (, tsuba in Japanese): A guard positioned at the hilt, often used as a point of contact in close-quarters engagements.
(3.) Kalnal: (): The "blade" of the sword, represented by the side of the juk-do opposite the duengjul (lit. "back cord"). The valid striking area consists of the forward one-third of the juk-do (marked C in the image).
(4.) Duengjul: A yellow string running from the guard to the tip, representing the spine of the sword.
(5.) Joonghyuk: A leather band marking the proximal limit of the recognized striking area.
(6.) Sunnhyuk: A leather cap at the tip of the sword. While thrusting techniques are infrequent in competition, they are valid when contact is made with only this part of the sword.
(A.) Byounghyuk: The handle of the sword.
(B.)
(C.) Ta-dol-bu: The section between the sunnhyuk and the joonghyuk, representing the first third of the blade. In competition, a strike is only counted if contact is made with this area.
A standard juk-do for adult practitioners measures 120 cm (47 inches). The minimum weight requirement is 510 grams for male competitors and 420 grams for female competitors. Traditionally, juk-do are constructed from four bamboo slats bound with leather. Modern alternatives made from high-impact plastics and carbon fiber exist but only bamboo juk-do are permitted in official competitions. Smaller versions are available for child practitioners.HwaRang Kumdo Association Student Manual; USA Hwarang Kumdo Association, 1999; Sec.4
In addition to the juk-do, kumdo practitioners train with a wooden sword known as a mok geom (목검). Historically used in competition, the mok geom has been largely restricted to structured solo and paired drills due to its potential for serious injury or death. Today, it also serves as a training substitute for steel swords in forms practice.
Clothing Kumdo practitioners wear a uniform known as a tobok (; lit: "clothing for the way"), which closely resembles that worn by kendo practitioners and is typically indigo-blue. Many practitioners pair this with paji ( 바지; lit. training pants ) featuring billowy legs modeled after the Japanese hakama, though without the koshiita and with ankles left unbound as in the Korean Hanbok. A heavy, cotton double-weave jacket called the otdori () is worn, traditionally secured with a tie known as the maettiop () While linen ties in the Japanese tradition were once common, velcro fastenings are now increasingly used. A belt (dhee, ) — which usually signifies the individual's rank or standing — completes the uniform. In national tournaments, the Korean national team typically wears a white keikogi with black trim and stripes on their hakama, contrasting with the all-indigo-blue attire of kendo practitioners.