Where does “hạ gục” come from?

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

hạ gục (Vietnamese): to knock out, to knock down

Definitions

  1. to knock out, to knock down

Ancestry of “hạ gục”, step by step

hạ gục traces back through two separate lines of ancestry.

via Vietnamese Hạ

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

via Vietnamese gục

StepLanguageWordMeaning
1Vietnamesegụcto lower (one's head); to bend down
Every word from Proto-Mon-Khmer haʔ →Every word from Proto-Vietic haːʔ →Every word from Vietnamese Hạ →