Where does “九” come from?

九 (Middle Chinese) comes from Old Chinese 九, from Proto-Sino-Tibetan d/s-kəw — nine.

Ancestry of “九”, step by step

StepLanguageWordMeaning
1Old Chinese九—
2Proto-Sino-Tibetand/s-kəwnine

Words derived from “九”

Every word from Proto-Sino-Tibetan d/s-kəw →Every word from Old Chinese 九 →