Save Gender Feminine Usage Japanese Scripts 茂由子, 桃遊子, 芽結子, etc.(Japanese Kanji) Pronounced Pron. MO-YOO-KO [key] Meaning & History From Japanese 茂 (mo) meaning "overgrown, luxuriant, thickly growing, lush", 由 (yu) meaning "reason, cause" combined with 子 (ko) meaning "child". Other kanji combinations are possible.