Where does “Portugal” come from?

Portugal (Galician) comes from Old Portuguese Portugal, from Latin Portucale, 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 “Portugal”, step by step

StepLanguageWordMeaning
1Old PortuguesePortugal
2LatinPortucalePortugal
3LatinPortus CaleOporto
4LatinPortus” or, later, “Portus Rōmae”}} Portus large artificial harbour of Ancient Rome
5Proto-Italicportusharbour
6Proto-Indo-Europeanpértuscrossing
7Proto-Indo-Europeanper-before, in front; first; to go through
8Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tós