Save Gender Masculine Usage Japanese Scripts 康夫, 康雄, etc.(Japanese Kanji) やすお(Japanese Hiragana) ヤス オ(Japanese Katakana) Pronounced Pron. /jä.sɨᵝ.o̞/ [key·simplify] Meaning & History From Japanese 康 (yasu) meaning "peaceful, quiet" combined with 夫 (o) meaning "man, husband" or 雄 (o) meaning "hero, male, manly". Other kanji combinations can be used.