Where does “Øresund” come from?

Øresund (English) comes from Danish Øresund, from Swedish Öresund, from Icelandic Eyrarsund, from Old Norse eyrr, from Proto-Germanic aurī, from Proto-Germanic auraz, from Proto-Indo-European Huh₁-ró-s, from Proto-Indo-European -rós — Forms adjectives from Caland system roots.

Ancestry of “Øresund”, step by step

StepLanguageWordMeaning
1DanishØresundØresund
2SwedishÖresundÖresund
3IcelandicEyrarsund
4Old Norseeyrra gravel bank
5Proto-Germanicaurīa river bank, or sandbank at the river’s mouth
6Proto-Germanicaurazwet sand or earth, mud; liquid, water, sea
7Proto-Indo-EuropeanHuh₁-ró-s
8Proto-Indo-European-rósForms adjectives from Caland system roots

Words derived from “Øresund

Every word from Proto-Indo-European -rósEvery word from Proto-Indo-European Huh₁-ró-sEvery word from Proto-Germanic auraz