Where does “quaternário” come from?

quaternário (Portuguese) comes from Latin quaternārius, from Latin quaternus, from Latin quater, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus, from Proto-Indo-European kʷeturtos — and.

quaternário (Portuguese): quaternary having four elements

Definitions

  1. quaternary having four elements

Ancestry of “quaternário”, step by step

StepLanguageWordMeaning
1Latinquaternāriuscontaining or consisting of four things
2Latinquaternusfour each; four at a time
3Latinquaterfour times
4Latinquattŭorfour; 4
5Portuguesequartoordinal form of quatro; fourth; quarter; fourth;...
6Old Portuguesequartoquarter
7Latinquārtusfourth
8Proto-Indo-Europeankʷeturtos
9Proto-Indo-Europeankʷetwóresfour
10Proto-Indo-Europeankʷe-and
Every word from Proto-Indo-European kʷe-
quaternário — Etymology, Origin & Word History | Etymology Explorer