Where does “rộng mở” come from?

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

rộng mở (Vietnamese): open; wide open; extensive

Definitions

  1. open; wide open; extensive

Ancestry of “rộng mở”, step by step

rộng mở 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巫—

via Vietnamese rộng

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