Where does “ngồi thụp” come from?

ngồi thụp (Vietnamese) comes from Vietnamese ngồi, from Proto-Vietic ŋuːj, from Proto-Mon-Khmer ŋguj — to sit down.

ngồi thụp (Vietnamese): to quickly sit down; to sink down

Definitions

  1. to quickly sit down; to sink down

Ancestry of “ngồi thụp”, step by step

ngồi thụp traces back through two separate lines of ancestry.

via Vietnamese ngồi

StepLanguageWordMeaning
1Vietnamesengồito sit
2Proto-Vieticŋuːjto sit
3Proto-Mon-Khmerŋgujto sit down

via Vietnamese thụp

StepLanguageWordMeaning
1Vietnamesethụpto prostrate oneself; to kiss the ground; to suddenly drop down and sit
Every word from Proto-Mon-Khmer ŋguj →Every word from Proto-Vietic ŋuːj →Every word from Vietnamese ngồi →