Where does “Ryborz” come from?

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

Ancestry of “Ryborz”, step by step

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