Where does “vậy hả” come from?

vậy hả (Vietnamese) comes from Vietnamese Hạ, from Proto-Vietic haːʔ, from Proto-Mon-Khmer haʔ — to open mouth.

vậy hả (Vietnamese): really?

Definitions

  1. really?

Ancestry of “vậy hả”, step by step

vậy hả traces back through two separate lines of ancestry.

via Vietnamese Hạ

StepLanguageWordMeaning
1VietnameseHạthe Xia dynasty
2Proto-Vietichaːʔ
3Proto-Mon-Khmerhaʔto open mouth

via Vietnamese vậy

StepLanguageWordMeaning
1Vietnamesevậyso, thus; intensifying sentence-final particle
2Proto-Vieticvalʔskirt
Every word from Proto-Mon-Khmer haʔEvery word from Proto-Vietic haːʔEvery word from Vietnamese Hạ