Where does “quatro” come from?

quatro (Istriot) comes from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus, from Proto-Indo-European kʷeturtos, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.

quatro (Istriot): four

Definitions

  1. four

Ancestry of “quatro”, step by step

StepLanguageWordMeaning
1Latinquattŭorfour; 4
2Portuguesequartoordinal form of quatro; fourth; quarter; fourth;...
3Old Portuguesequartoquarter
4Latinquārtusfourth
5Proto-Indo-Europeankʷeturtos—
6Proto-Indo-Europeankʷetwóresfour
7Proto-Indo-Europeankʷe-and
Every word from Proto-Indo-European kʷe- →Every word from Proto-Indo-European kʷetwóres →Every word from Proto-Indo-European kʷeturtos →