I study mainly two martial arts: Aikido and Aiki Jujutsu. In each of these, the meaning of “aiki” is different.
Aikido tends to refer to “aiki” as two separate words, seemingly based on the two kanji characters used to write it: “AI” meaning joining, unifying, harmonizing; and, “KI” meaning spirit, life energy, breath. (And of course, [...]

