Save Gender Feminine Usage Japanese Scripts 留美子, 流実子, 瑠実子, etc.(Japanese Kanji) ルミ子(Kanji/Katakana) るみ子(Kanji/Hiragana) Pronounced Pron. /ɾɯ̟ᵝ.mʲi.ko̞/ [key·simplify] Meaning & History From Japanese 留 (ru) meaning "detain, fasten", 流 (ru) meaning "current, flow", or 瑠 (ru) meaning "lapis lazuli" combined with 美 (mi) meaning "beautiful" and 子 (ko) meaning "child". Other kanji combinations are possible.