Where does “mở rộng” come from?

mở rộng (Vietnamese) comes from Vietnamese mở, from Thai หมอ, from Proto-Southwestern Tai ʰmɔːᴬ, from Proto-Tai ʰmoːᴬ, from Old Chinese 巫.

mở rộng (Vietnamese): to extend; to expand; to enlarge

Definitions

  1. to extend; to expand; to enlarge

Ancestry of “mở rộng”, step by step

mở rộng traces back through two separate lines of ancestry.

via Vietnamese mở

StepLanguageWordMeaning
1Vietnamesemởto open, be open; to unfold, expand, open up; to...
2Thaiหมอexpert; wizard; fortuneteller; clairvoyant;...
3Proto-Southwestern Taiʰmɔːᴬshaman
4Proto-Taiʰmoːᴬshaman
5Old Chinese

via Vietnamese rộng

StepLanguageWordMeaning
1Vietnameserộnghaving lots of space, or spanning across great...
2Proto-Vieticroːŋʔ
Every word from Old Chinese Every word from Proto-Tai ʰmoːᴬEvery word from Proto-Southwestern Tai ʰmɔːᴬ