Where does “запутывать” come from?

запутывать (Russian) comes from Russian запу́тать, from Russian за́-, from Proto-Slavic za- — for.

Ancestry of “запутывать”, step by step

Step	Language	Word	Meaning
1	Russian	запу́тать	—
2	Russian	за́-	—
3	Proto-Slavic	za-	for

запутывать — Etymology, Origin & Word History | Etymology Explorer