Where does “Krupski” come from?

Krupski (English) comes from Polish Krupski, from Polish Krupa, from Proto-Slavic krupa, from Proto-Balto-Slavic kraupāˀ, from Proto-Indo-European krowp-eh₂, from Proto-Indo-European krewp-, from Proto-Indo-European krew- — to fall, collapse; scab; to fall, break, bruise.

Ancestry of “Krupski”, step by step

StepLanguageWordMeaning
1PolishKrupski—
2PolishKrupagroats
3Proto-Slavickrupagrainy substance, groats, hail
4Proto-Balto-Slavickraupāˀ—
5Proto-Indo-Europeankrowp-eh₂—
6Proto-Indo-Europeankrewp-scab, crust; to become encrusted
7Proto-Indo-Europeankrew-to fall, collapse; scab; to fall, break, bruise
Every word from Proto-Indo-European krew- →Every word from Proto-Indo-European krewp- →Every word from Proto-Indo-European krowp-eh₂ →