Where does “thói thường” come from?

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

thói thường (Vietnamese): habitually; routinely; normally

Definitions

  1. habitually; routinely; normally

Ancestry of “thói thường”, step by step

thói thường 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 thường

StepLanguageWordMeaning
1Vietnamesethườngfrequent; usual; ordinary; common; average;...
2Chinese常—
Every word from Proto-Austronesian daqiS →Every word from Proto-Malayo-Polynesian daqih →Every word from Proto-Chamic *ʔadhɛ̃y →