Where does “Portesmuða” come from?

Portesmuða (Old English) comes from Old English port, from Latin porta, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “Portesmuða”, step by step

Portesmuða traces back through two separate lines of ancestry.

via Old English port

StepLanguageWordMeaning
1Old Englishporta port, a haven; a town, particularly one with...
2Latinportagate, especially of a city; entrance, passage,...
3Proto-Indo-Europeanper-before, in front; first; to go through
4Proto-Indo-Europeanpr̥tóspassed , crossed

via Old English mūð

StepLanguageWordMeaning
1Old Englishmūðmouth

Words derived from “Portesmuða

Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Latin porta