Where does “Kot” come from?

Kot (Polish) comes from Proto-Slavic kǫtъ, from Latin cattus, from Latin catta — a cat.

Ancestry of “Kot”, step by step

Step	Language	Word	Meaning
1	Proto-Slavic	kǫtъ	corner
2	Latin	cattus	a cat
3	Latin	catta	a cat

Kot — Etymology, Origin & Word History | Etymology Explorer