Where does “kuroślepina” come from?

kuroślepina (Polish) comes from Polish kura, from Proto-Slavic kura, from Proto-Slavic -a, from Proto-Indo-European -ōd.

Ancestry of “kuroślepina”, step by step

kuroślepina traces back through two separate lines of ancestry.

via Polish kura

StepLanguageWordMeaning
1Polishkurahen; genitive/accusative singular of kur
2Proto-Slavickurahen
3Proto-Slavic-aid
4Proto-Indo-European-ōd—

via Polish ślepy

StepLanguageWordMeaning
1Polishślepyblind; a blind person
2Proto-Slavicslěpъblind
Every word from Proto-Indo-European -ōd →Every word from Proto-Slavic -a →Every word from Proto-Slavic kura →