Save Gender Masculine Usage Japanese Scripts 之康, 征悦, 幸康, 行泰, 幸康, etc.(Japanese Kanji) Pronounced Pron. YOO-KEE-YAH-SOO [key] Meaning & History From 征 (yuki) meaning "subjugate" or 行 (yuki) meaning "to go, to carry out, line, row" combined with 悦 (yasu) meaning "ecstasy, joy". Other kanji combinations are usable.