Where does “Bielsko” come from?

Bielsko (Polish) comes from Polish Biel, from Old Polish biel, from Proto-Slavic bělъ, from Proto-Indo-European bʰēlHs — white surface or stain.

Ancestry of “Bielsko”, step by step

Bielsko traces back through two separate lines of ancestry.

via Polish Biel

StepLanguageWordMeaning
1PolishBielwhite
2Old Polishbielmud, swamp
3Proto-Slavicbělъwhite
4Proto-Indo-EuropeanbʰēlHswhite surface or stain

via Polish Biała

StepLanguageWordMeaning
1PolishBiałanow part of Bielsko-Biała, called Biała Krakowska from 1925 until 1939
2PolishBiaływhite
3Old Polishbiaływhite
4Proto-Slavic*bě̃lъwhite the brightest color

Words derived from “Bielsko”

Every word from Proto-Indo-European bʰēlHs →Every word from Proto-Slavic bělъ →Every word from Old Polish biel →