Where does “子” come from?

子 (Korean) comes from Middle Chinese 子, from Proto-Sino-Tibetan *tsəʔ — child, son, offspring; grandson; relatives; nephew/niece.

Ancestry of “子”, step by step

StepLanguageWordMeaning
1Middle Chinese子—
2Proto-Sino-Tibetan*tsəʔchild, son, offspring; grandson; relatives; nephew/niece
Every word from Proto-Sino-Tibetan *tsəʔ →Every word from Middle Chinese 子 →