Where does “rybsko” come from?

rybsko (Polish) comes from Polish Ryba, from Old Polish ryba, from Proto-Slavic ryba, from Proto-Indo-European dʰǵʰu- — fish.

Ancestry of “rybsko”, step by step

StepLanguageWordMeaning
1PolishRybafish
2Old Polishrybafish
3Proto-Slavicrybafish
4Proto-Indo-Europeandʰǵʰu-fish
Every word from Proto-Indo-European dʰǵʰu- →Every word from Proto-Slavic ryba →Every word from Old Polish ryba →