Where does “quadruple” come from?
quadruple (Italian) comes from Italian quadruplo, from Latin quadruplus, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus, from Proto-Indo-European kʷeturtos, from Proto-Indo-European kʷetwóres — and.
quadruple (Italian): feminine plural of quadruplo
Definitions
- feminine plural of quadruplo
Ancestry of “quadruple”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Italian | quadruplo | quadruple; quadruplet |
| 2 | Latin | quadruplus | fourfold, quadruple |
| 3 | Latin | quattŭor | four; 4 |
| 4 | Portuguese | quarto | ordinal form of quatro; fourth; quarter; fourth;... |
| 5 | Old Portuguese | quarto | quarter |
| 6 | Latin | quārtus | fourth |
| 7 | Proto-Indo-European | kʷeturtos | — |
| 8 | Proto-Indo-European | kʷetwóres | four |
| 9 | Proto-Indo-European | kʷe- | and |