Where does “Oporto” come from?
Oporto (English) comes from Portuguese Porto, from Old Portuguese porto, from Latin Portus Cale, from Latin Portus, from Proto-Italic portus, from Proto-Indo-European pértus, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.
Ancestry of “Oporto”, step by step
Oporto traces back through two separate lines of ancestry.
via Portuguese Porto
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Portuguese | Porto | Oporto |
| 2 | Old Portuguese | porto | — |
| 3 | Latin | Portus Cale | Oporto |
| 4 | Latin | Portus | ” or, later, “Portus Rōmae”}} Portus large artificial harbour of Ancient Rome |
| 5 | Proto-Italic | portus | harbour |
| 6 | Proto-Indo-European | pértus | crossing |
| 7 | Proto-Indo-European | per- | before, in front; first; to go through |
| 8 | Proto-Indo-European | pr̥tós | passed , crossed |