The story
- Proto-Indo-European*per-
- Proto-Indo-European*pértus
- Proto-Germanic*ferþuz
- Proto-Norse*ᚠᛖᚱᚦᚢᛉ (*ferþuʀ)
- Old Norsefjǫrðr
- Norwegianfjord
- English todayfjord
Unadapted borrowing from Norwegian fjord, from Old Norse fjǫrðr, from Proto-Germanic *ferþu, *ferþuz (“inlet, fjord”), from Proto-Indo-European *pértus (“crossing”), from *per- (“to carry forth”) + *-tus (suffix forming action nouns from verb roots). Doublet of firth, ford, port, and fjard.
Words from the same roots
Old Norsefjǫrðr all →
firth
Proto-Germanic*ferþu all →
firth
Proto-Indo-European*pértus all →
portfordfirthimportunity
Etymology from Wiktionary, CC BY-SA 4.0.