Where does “ngậm ngùi” come from?

ngậm ngùi (Vietnamese) comes from Vietnamese ngậm, from Proto-Vietic ŋəmʔ.

ngậm ngùi (Vietnamese): to be grieved; to feel sorry; to pity

Definitions

  1. to be grieved; to feel sorry; to pity

Ancestry of “ngậm ngùi”, step by step

ngậm ngùi traces back through two separate lines of ancestry.

via Vietnamese ngậm

StepLanguageWordMeaning
1Vietnamesengậmto hold inside one's mouth
2Proto-Vieticŋəmʔ

via Vietnamese ngùi

StepLanguageWordMeaning
1Vietnamesengùisad (to the point of tears); melancholy
Every word from Proto-Vietic ŋəmʔ
ngậm ngùi — Etymology, Origin & Word History | Etymology Explorer