Where does “lumpák” come from?

lumpák (Polish) comes from Polish -ak, from Old Polish -ak, from Proto-Slavic -akъ — Deadjectival, forming nouns denoting a carrier of...

Ancestry of “lumpák”, step by step

StepLanguageWordMeaning
1Polish-akused to form demonyms; used to form various...
2Old Polish-akused to form nouns
3Proto-Slavic-akъDeadjectival, forming nouns denoting a carrier of...
Every word from Proto-Slavic -akъ →Every word from Polish -ak →Every word from Old Polish -ak →