Where does “Grudny” come from?

Grudny (Polish) comes from Polish gruda, from Proto-Slavic gruda, from Proto-Indo-European gʰréwdos, from Proto-Indo-European gʰer- — to rub; to stroke; to grind.

Ancestry of “Grudny”, step by step

StepLanguageWordMeaning
1Polishgrudalump, clod; mud fever, scratches, pastern...
2Proto-Slavicgrudaheap, lump
3Proto-Indo-Europeangʰréwdoscrude, great
4Proto-Indo-Europeangʰer-to rub; to stroke; to grind
Every word from Proto-Indo-European gʰer- →Every word from Proto-Indo-European gʰréwdos →Every word from Proto-Slavic gruda →