Where does “chudobny” come from?

chudobny (Polish) comes from Polish chudoba, from Old Polish chudoba, from Proto-Slavic xudoba, from Proto-Slavic xudъ, from Proto-Indo-European ksowdós, from Proto-Indo-European k⁽ʷ⁾sewd-, from Proto-Indo-European kes- — to scrape, comb.

Ancestry of “chudobny”, step by step

StepLanguageWordMeaning
1PolishchudobaAll of the livestock at a given farm; A horse...
2Old Polishchudobapoverty; emaciated person
3Proto-Slavicxudobaleanness, thinness
4Proto-Slavicxudъsmall, little, weak
5Proto-Indo-Europeanksowdós
6Proto-Indo-Europeank⁽ʷ⁾sewd-to crush, disperse; to disintegrate
7Proto-Indo-Europeankes-to scrape, comb
Every word from Proto-Indo-European kes-Every word from Proto-Indo-European k⁽ʷ⁾sewd-Every word from Proto-Indo-European ksowdós