Where does “Rogaś” come from?

Rogaś (Polish) comes from Polish Róg, from Proto-Slavic rogъ, from Proto-Balto-Slavic rágas — horn.

Ancestry of “Rogaś”, step by step

StepLanguageWordMeaning
1PolishRóghorn
2Proto-Slavicrogъhorn
3Proto-Balto-Slavicrágashorn
Every word from Proto-Balto-Slavic rágas →Every word from Proto-Slavic rogъ →Every word from Polish Róg →