Save Gender Feminine Usage Japanese Scripts 亜由乃, 歩乃, etc.(Japanese Kanji) Pronounced Pron. AH-YOO-NO [key] Meaning & History From Japanese 亜 (a) meaning "second, Asia, sub-", 由 (yu) meaning "cause, reason" combined with 乃 (no), a possessive particle. Other combinations of kanji characters can also form this name.