Where does “4º” come from?

4º (Portuguese) comes 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.

4º (Portuguese): 4th; abbreviation of quarto

Definitions

  1. 4th; abbreviation of quarto

Ancestry of “4º”, step by step

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