Where does “rô” come from?
rô (Vietnamese) comes from Vietnamese ca-rô, from French carreau, from Old French quarel, from Vulgar Latin quadrellus, from Latin quādrus, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto — and.
rô (Vietnamese): diamonds
Ancestry of “rô”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Vietnamese | ca-rô | checkered/chequered; A variant of tic-tac-toe in... |
| 2 | French | carreau | square; diamonds; tile |
| 3 | Old French | quarel | square block of stone; square-headed bolt for a... |
| 4 | Vulgar Latin | quadrellus | — |
| 5 | Latin | quādrus | — |
| 6 | Latin | quattŭor | — |
| 7 | Portuguese | quarto | ordinal form of quatro; fourth; quarter; fourth;... |
| 8 | Old Portuguese | quarto | quarter |
| 9 | Latin | quārtus | — |
| 10 | Proto-Indo-European | kʷeturtos | — |
| 11 | Proto-Indo-European | kʷetwóres | four |
| 12 | Proto-Indo-European | kʷe- | and |