Where does “croup” come from?

croup (Spanish) comes from English croup, from Middle English croupe, from Old French croupe, from Frankish kruppa, from Polish Krupa, from Proto-Slavic krupa, from Proto-Balto-Slavic kraupāˀ, from Proto-Indo-European krowp-eh₂ — to fall, collapse; scab; to fall, break, bruise.

Ancestry of “croup”, step by step

StepLanguageWordMeaning
1EnglishcroupThe top of the rump of a horse or other...
2Middle EnglishcroupeThe hindquarters or rear, usually of an animal
3Old Frenchcrouperump, body
4Frankishkruppa
5PolishKrupagroats
6Proto-Slavickrupagrainy substance, groats, hail
7Proto-Balto-Slavickraupāˀ
8Proto-Indo-Europeankrowp-eh₂
9Proto-Indo-Europeankrewp-scab, crust; to become encrusted
10Proto-Indo-Europeankrew-to fall, collapse; scab; to fall, break, bruise

Words derived from “croup

Every word from Proto-Indo-European krew-Every word from Proto-Indo-European krewp-Every word from Proto-Indo-European krowp-eh₂
croup — Etymology, Origin & Word History | Etymology Explorer