Where does “chudy” come from?

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

chudy (Silesian): thin, lean

Definitions

thin, lean

Ancestry of “chudy”, step by step

Step	Language	Word	Meaning
1	Old Polish	chudy	poor
2	Proto-Slavic	xudъ	small, little, weak
3	Proto-Indo-European	ksowdós	—
4	Proto-Indo-European	k⁽ʷ⁾sewd-	to crush, disperse; to disintegrate
5	Proto-Indo-European	kes-	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 →