Where does “quadrangulaire” come from?
quadrangulaire (Middle French) comes from Latin quadrangularis, from Latin quadrangulum, from Latin quadrangulus, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus, from Proto-Indo-European kʷeturtos — and.
Ancestry of “quadrangulaire”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Latin | quadrangularis | quadrangular |
| 2 | Latin | quadrangulum | quadrangle |
| 3 | Latin | quadrangulus | quadrangular |
| 4 | Latin | quattŭor | four; 4 |
| 5 | Portuguese | quarto | ordinal form of quatro; fourth; quarter; fourth;... |
| 6 | Old Portuguese | quarto | quarter |
| 7 | Latin | quārtus | fourth |
| 8 | Proto-Indo-European | kʷeturtos | — |
| 9 | Proto-Indo-European | kʷetwóres | four |
| 10 | Proto-Indo-European | kʷe- | and |