Save Gender Masculine Usage Japanese Scripts 理人, 治人, 長人, etc.(Japanese Kanji) Pronounced Pron. O-SAH-HEE-TO [key] Meaning & History From Japanese 理 (osa) meaning "reason, logic", 治 (osa) meaning "govern, regulate, administer" or 長 (osa) meaning "chief, head, leader" combined with 人 (hito) meaning "person". Other kanji combinations are possible.