Where does “洞” come from?

洞 (Chinese) comes from Proto-Sino-Tibetan *dV-waŋ — hole.

Ancestry of “洞”, step by step

StepLanguageWordMeaning
1Proto-Sino-Tibetan*dV-waŋhole

Words derived from “洞”

Every word from Proto-Sino-Tibetan *dV-waŋ →