Save Gender Feminine Usage Japanese Scripts 沙也子, 紗也子, 沙耶子, 紗耶子(Japanese Kanji) Meaning & History From Japanese 沙 (sa) meaning "sand" or 紗 (sa) meaning "thread, silk" with 也 (ya) meaning "also" or 耶 (ya), an interjection, combined with 子 (ko) meaning "child".