Where does “thối não” come from?

thối não (Vietnamese) comes from English brain rot, from English rot, from Middle English roten, from Middle English rote, from Old French rote, from Latin rupta, from Latin ruptus, from Latin rumpō — to tear out, dig out, open, acquire.

thối não (Vietnamese): to be brain rotten

Definitions

  1. to be brain rotten

Ancestry of “thối não”, step by step

thối não traces back through 3 separate lines of ancestry.

via English brain rot

StepLanguageWordMeaning
1Englishbrain rotThe degradation of mental faculties, intelligence, common sense, or moral character
2EnglishrotTo suffer decomposition due to biological action,...
3Middle EnglishrotenTo decompose; to make or become rotten or spoiled
4Middle EnglishroteThe root; The foundation or base of a...
5Old Frenchroteroute, path
6Latinruptanominative feminine singular of ruptus;...
7Latinruptusbroken; ruptured, burst
8Latinrumpōto break, burst, tear, rend, rupture; break asunder, force open
9Proto-Indo-EuropeanHrunéptito be breaking
10Proto-Indo-EuropeanHrewp-to break, tear
11Proto-Indo-EuropeanHrew-to tear out, dig out, open, acquire

via Vietnamese thối

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

via Vietnamese não

StepLanguageWordMeaning
1Vietnamesenãobrain, cerebrum
2Chinese
3Proto-Sino-Tibetans-nəw-kbrain
Every word from Proto-Indo-European Hrew-
thối não — Etymology, Origin & Word History | Etymology Explorer