合気道

Aikido is written with three kanji: 合 (ai, 'harmony, joining, uniting'), 気 (ki, 'spirit, energy, breath'), and 道 (dō, 'way, path'). Together they form a compound that translates as 'the way of harmonizing with ki' or, more loosely, 'the way of unifying energy.' The character 気 is the Japanese reading of the Chinese 氣 (qì), the concept of vital breath or life force that pervades East Asian philosophy, medicine, and martial arts. In aikido's philosophical framework, ki is not metaphorical but functional: the practitioner seeks to blend with the attacker's energy, redirecting it in circular motions that neutralize aggression without requiring superior strength. The name encodes the art's entire thesis — that combat is not a contest of opposing forces but a problem of alignment, and that the ideal martial response is one that harmonizes rather than destroys.