Where does “sôi nổi” come from?

sôi nổi (Vietnamese) comes from Vietnamese sỏi, from Proto-Vietic k-rɔːs, from Proto-Mon-Khmer kruəs.

sôi nổi (Vietnamese): enthusiastic; ebullient; effervescent

Definitions

  1. enthusiastic; ebullient; effervescent

Ancestry of “sôi nổi”, step by step

sôi nổi traces back through two separate lines of ancestry.

via Vietnamese sỏi

StepLanguageWordMeaning
1Vietnamesesỏipebble, gravel; accustomed to; acquainted with;...
2Proto-Vietick-rɔːs—
3Proto-Mon-Khmerkruəs—

via Vietnamese nói

StepLanguageWordMeaning
1Vietnamesenóito speak, to talk, to say, to tell
2Chinese內—
Every word from Proto-Mon-Khmer kruəs →Every word from Proto-Vietic k-rɔːs →Every word from Vietnamese sỏi →