Save Gender Masculine Usage Japanese Scripts 治雄, 修雄, 長生, 長穂, 統雄, 理雄, etc.(Japanese Kanji) Pronounced Pron. O-SAH-O [key] Meaning & History From Japanese 治 (osa) meaning "govern, regulate, administer" combined with 雄 (o) meaning "male". This name can be formed with other kanji combinations as well.