Save Gender Masculine Usage Japanese Scripts 哲男, 哲夫, etc.(Japanese Kanji) Pronounced Pron. TEH-TSOO-O [key] Meaning & History From Japanese 哲 (tetsu) meaning "clear, philosophy" combined with 男 (o) meaning "male, man", 夫 (o) meaning "husband, man". Other combinations of kanji can form this name as well.