Where does “bröstfena” come from?

bröstfena (Swedish) comes from Swedish bröst, from Old Swedish bryst, from Old Norse brjóst, from Proto-Germanic breustą, from Proto-Indo-European bʰrews- — to break.

bröstfena (Swedish): a pectoral fin

Definitions

  1. a pectoral fin

Ancestry of “bröstfena”, step by step

bröstfena traces back through two separate lines of ancestry.

via Swedish bröst

StepLanguageWordMeaning
1Swedishbröstbreast; the fleshy organs on the chest of a...
2Old Swedishbrystbreast
3Old Norsebrjóstbreast; person, personality; front
4Proto-Germanicbreustąbreast, chest
5Proto-Indo-Europeanbʰrews-to break

via Swedish fena

StepLanguageWordMeaning
1SwedishfenaThe protruding appendage on a marine animal; fin,...
2Swedishfenomenal
Every word from Proto-Indo-European bʰrews-Every word from Proto-Germanic breustąEvery word from Old Norse brjóst