Where does “шьрсть” come from?

шьрсть (Old East Slavic) comes from Proto-Slavic sьrstь, from Proto-Indo-European ḱer(s)- — rough hair, bristle.

Ancestry of “шьрсть”, step by step

StepLanguageWordMeaning
1Proto-Slavicsьrstьfur, hair, wool
2Proto-Indo-Europeanḱer(s)-rough hair, bristle
Every word from Proto-Indo-European ḱer(s)- →Every word from Proto-Slavic sьrstь →
шьрсть — Etymology, Origin & Word History | Etymology Explorer