Where does “xuống hố” come from?

xuống hố (Vietnamese) comes from Vietnamese hồ, from Chinese 戶, from Proto-Sino-Tibetan m/s-k(w)a-j — mouth; opening; mouth; opening; spread; door;...

Ancestry of “xuống hố”, step by step

xuống hố traces back through two separate lines of ancestry.

via Vietnamese hồ

StepLanguageWordMeaning
1Vietnamesehồlake; glue
2Chinese
3Proto-Sino-Tibetanm/s-k(w)a-jmouth; opening; mouth; opening; spread; door;...

via Vietnamese xuống

StepLanguageWordMeaning
1Vietnamesexuốngto go downwards; to descend; to get off; to go to
2Proto-Vietictʃɔːŋʔ
Every word from Proto-Sino-Tibetan m/s-k(w)a-jEvery word from Chinese Every word from Vietnamese hồ