Fjord

[fyawrd, fyohrd; Norwegian fyohr, fyoo r] /fyɔrd, fyoʊrd; Norwegian fyoʊr, fyʊər/

noun
1.
a long, narrow arm of the sea bordered by steep cliffs: usually formed by glacial erosion.
2.
(in Scandinavia) a bay.
/fjɔːd/
noun
1.
(esp on the coast of Norway) a long narrow inlet of the sea between high steep cliffs formed by glacial action
n.

1670s, from Norwegian fiord, from Old Norse fjörðr, from North Germanic *ferthuz, from PIE *prtus, from *per- “going, passage” (see port (n.1)).
fjord
(fyôrd)
A long, narrow, deep inlet from the sea between steep slopes of a mountainous coast. Fjords usually occur where ocean water flows into valleys formed near the coast by glaciers.