Where does “sr-” come from?

sr- (Proto-Georgian-Zan) comes from Polish srać, from Proto-Slavic sьrati, from Proto-Indo-European sḱer- — to caw, crow.

Ancestry of “sr-”, step by step

StepLanguageWordMeaning
1Polishsraćto shit; to not care; to freak out, to be very...
2Proto-Slavicsьratito shit, defecate
3Proto-Indo-Europeansḱer-to caw, crow

Words derived from “sr-”

Every word from Proto-Indo-European sḱer- →Every word from Proto-Slavic sьrati →Every word from Polish srać →