Where does “patiti” come from?

patiti (Serbo-Croatian) comes from Latin patior, from Proto-Indo-European peh₁- — to hate, hurt.

Ancestry of “patiti”, step by step

Step	Language	Word	Meaning
1	Latin	patior	I suffer, endure; I allow, acquiesce, permit,...
2	Proto-Indo-European	peh₁-	to hate, hurt

patiti — Etymology, Origin & Word History | Etymology Explorer