Where does “surstrømming” come from?

surstrømming (Norwegian Bokmål) comes from Swedish surströmming, from Swedish sur, from Old Swedish sūr, from Old Norse súrr, from Proto-Germanic sūraz, from Proto-Indo-European suHrós — sour, salty, bitter.

surstrømming (Norwegian Bokmål): surströmming traditional Swedish food made from fermented Baltic herring

Definitions

  1. surströmming traditional Swedish food made from fermented Baltic herring

Ancestry of “surstrømming”, step by step

StepLanguageWordMeaning
1Swedishsurströmmingsurströmming traditional Swedish food made from fermented Baltic herring
2Swedishsursour; the characteristic taste of a lemon;...
3Old Swedishsūrsour
4Old Norsesúrrsour
5Proto-Germanicsūrazsour, acidic
6Proto-Indo-EuropeansuHróssour, salty, bitter
Every word from Proto-Indo-European suHrós →Every word from Proto-Germanic sūraz →Every word from Old Norse súrr →