Where does “thối nát” come from?

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

thối nát (Vietnamese): rotten; spoiled (entirely)

Definitions

  1. rotten; spoiled (entirely)

Ancestry of “thối nát”, step by step

StepLanguageWordMeaning
1Vietnamesethốirotten; fetid, putrid, stinking, foul-smelling;...
2Proto-Chamic*ʔadhɛ̃yforehead
3Proto-Malayo-Polynesiandaqihforehead
4Proto-AustronesiandaqiSforehead
Every word from Proto-Austronesian daqiS →Every word from Proto-Malayo-Polynesian daqih →Every word from Proto-Chamic *ʔadhɛ̃y →