Aikijutsu
/ˌaɪ.kiˈdʒʊt.su/noun
A Japanese martial-art term for techniques that use timing, balance, leverage, and controlled movement to neutralize an opponent.
Did you know?Although “ki” is often presented mystically as life energy, in martial contexts it can also refer to attitude, intention, breath, or mental composure—not supernatural power.
Etymological Timeline
Ancient China
Classical Chinese
氣 (qì)
“Air, breath, vital energy, or animating force; the source of the Japanese reading ki.”
Ancient Japan
Japanese
気 (ki)
“Spirit, disposition, breath, atmosphere, or vital energy.”
Classical Japanese
Japanese
合 (ai)
“To meet, fit, join, or bring together.”
Classical Japanese
Japanese
術 (jutsu)
“Art, method, technique, or practiced skill.”
19th–20th Century
Japanese
合気術 (aikijutsu)
“A compound meaning approximately “techniques of joining or harmonizing energy”; used for martial methods centered on blending with an opponent’s movement.”
Modern English
English
aikijutsu
“A Japanese martial-art term used in English for systems emphasizing redirection, balance breaking, joint control, and efficient technique.”