Where does “brøst” come from?

brøst (Old Swedish) comes from Old Norse brestr, from Proto-Germanic brestuz, from Proto-Indo-European bʰres‑ — to burst; break; crack; crackle.

Ancestry of “brøst”, step by step

StepLanguageWordMeaning
1Old Norsebrestrchink, crack; want, loss, lack
2Proto-Germanicbrestuzbreak; fracture; impairment; handicap
3Proto-Indo-Europeanbʰres‑to burst; break; crack; crackle
Every word from Proto-Indo-European bʰres‑ →Every word from Proto-Germanic brestuz →Every word from Old Norse brestr →