Save Gender Feminine Usage Japanese Scripts 朔夜子, 咲耶子, etc.(Japanese Kanji) Pronounced Pron. SAH-KUU-YAH-KO [key] Meaning & History From Japanese 朔 (saku) meaning "first day of lunar month", 夜 (ya) meaning "night" combined with 子 (ko) meaning "child". Other kanji combinations are possible.