Where does “há hốc” come from?

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

há hốc (Vietnamese): to open one's mouth wide; to gape

Definitions

  1. to open one's mouth wide; to gape

Ancestry of “há hốc”, step by step

há hốc traces back through two separate lines of ancestry.

via Vietnamese Hạ

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

via Vietnamese hốc

StepLanguageWordMeaning
1Vietnamesehốccreephole, hole
Every word from Proto-Mon-Khmer haʔEvery word from Proto-Vietic haːʔEvery word from Vietnamese Hạ
há hốc — Etymology, Origin & Word History | Etymology Explorer