The story
- Proto-Indo-European*bʰers-
- Proto-Indo-European*bʰr̥s-t-yós
- Proto-Balto-Slavic*burštjás
- Proto-Slavic*bъ̃rščь
- Old Polishbarszcz
- Polishbarszcz
- English todaybarszcz
Unadapted borrowing from Polish barszcz. Doublet of borscht.
Etymology from Wiktionary, CC BY-SA 4.0.