Where does “portegno” come from?

portegno (Italian) comes from Spanish porteño, from Spanish Puerto, from Old Spanish puerto, 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 “portegno”, step by step

StepLanguageWordMeaning
1Spanishporteñonative to or inhabiting a port town
2SpanishPuertoport, harbour
3Old Spanishpuertoport
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 pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European pértus
portegno — Etymology, Origin & Word History | Etymology Explorer