Where does “port” come from?

port (Middle High German) comes from Old French port, 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 “port”, step by step

StepLanguageWordMeaning
1Old Frenchportport for watercraft
2LatinPortus” or, later, “Portus Rōmae”}} Portus large artificial harbour of Ancient Rome
3Proto-Italicportusharbour
4Proto-Indo-Europeanpértuscrossing
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “port

Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European pértus