Where does “khẩu trang” come from?

khẩu trang (Vietnamese) comes from Chinese 口, from Proto-Sino-Tibetan ku(w) — mouth.

khẩu trang (Vietnamese): a surgical mask; a procedure mask

Definitions

  1. a surgical mask; a procedure mask

Ancestry of “khẩu trang”, step by step

StepLanguageWordMeaning
1Chinese口mouth
2Proto-Sino-Tibetanku(w)mouth
Every word from Proto-Sino-Tibetan ku(w) →Every word from Chinese 口 →