Where does “Portus (Cale)” come from?

Portus (Cale) (Latin) comes 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 “Portus (Cale)”, step by step

StepLanguageWordMeaning
1Latinportusharbour, port; haven, refuge, asylum, retreat;...
2Proto-Italicportusharbour
3Proto-Indo-Europeanpértuscrossing
4Proto-Indo-Europeanper-before, in front; first; to go through
5Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “Portus (Cale)”

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Indo-European pértus →