Where does “quattŭor” come from?
quattŭor (Latin) 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.
Ancestry of “quattŭor”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Portuguese | quarto | ordinal form of quatro; fourth; quarter; fourth;... |
| 2 | Old Portuguese | quarto | quarter |
| 3 | Latin | quārtus | — |
| 4 | Proto-Indo-European | kʷeturtos | — |
| 5 | Proto-Indo-European | kʷetwóres | four |
| 6 | Proto-Indo-European | kʷe- | and |