Save Gender Feminine Usage Japanese Scripts 笑瑠乃, etc.(Japanese Kanji) Pronounced Pron. E-ṘUU-NO [key] Meaning & History From Japanese 笑 (e) meaning "laugh, smile", 瑠 (ru) meaning "lapis lazuli" combined with 乃 (no), a possessive particle. Other combinations of kanji characters can also form this name.