Where does “Ísafjörður” come from?

Ísafjörður (Icelandic) comes from Icelandic fjörður, from Old Norse fjǫrðr, from Proto-Norse ᚠᛖᚱᚦᚢᛉ, from Proto-Germanic ferþuz, from Proto-Indo-European pértus, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “Ísafjörður”, step by step

Ísafjörður traces back through two separate lines of ancestry.

via Icelandic fjörður

StepLanguageWordMeaning
1Icelandicfjörðurfjord, although occasionally a geyser
2Old Norsefjǫrðrfirth, fjord
3Proto-Norseᚠᛖᚱᚦᚢᛉ
4Proto-Germanicferþuzinlet, fjord
5Proto-Indo-Europeanpértuscrossing
6Proto-Indo-Europeanper-before, in front; first; to go through
7Proto-Indo-Europeanpr̥tóspassed , crossed

via Icelandic ís

StepLanguageWordMeaning
1Icelandicísice; ice cream
2Old Norseíssice
3Proto-Germanicīsąice
4Proto-Indo-Europeanh₁eyH-ice, frost
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European pértus
Ísafjörður — Etymology, Origin & Word History | Etymology Explorer