indicate the level to which a name has been verified.
Meaning & History
From Japanese 快 (kai) meaning "cheerful, pleasant, agreeable, comfortable", 界 (kai) meaning "world, boundary", 開 (kai) meaning "open, unfold, unseal" or 峡 (kai) meaning "gorge, ravine" combined with 夫 (o) meaning "man, husband", 雄 (o) meaning "hero, manly" or 生 (o) meaning "live". Other kanji combinations are also possible.