Where does “rau thối” come from?

rau thối (Vietnamese) comes from Vietnamese thối, from Proto-Chamic *ʔadhɛ̃y, from Proto-Malayo-Polynesian daqih, from Proto-Austronesian daqiS — forehead.

rau thối (Vietnamese): climbing wattle (Senegalia pennata) often used in cooking

Definitions

  1. climbing wattle (Senegalia pennata) often used in cooking

Ancestry of “rau thối”, step by step

rau thối traces back through two separate lines of ancestry.

via Vietnamese thối

StepLanguageWordMeaning
1Vietnamesethốirotten; fetid, putrid, stinking, foul-smelling;...
2Proto-Chamic*ʔadhɛ̃yforehead
3Proto-Malayo-Polynesiandaqihforehead
4Proto-AustronesiandaqiSforehead

via Vietnamese râu

StepLanguageWordMeaning
1Vietnameserâua beard; whiskers; barbels
2Proto-Vietic-soː—
3Old Chinese鬚—
Every word from Proto-Austronesian daqiS →Every word from Proto-Malayo-Polynesian daqih →Every word from Proto-Chamic *ʔadhɛ̃y →