Where does “карнава́л” come from?

карнава́л (Russian) comes from French carnaval, from Italian carnevale, from Latin carnem levāre.

Ancestry of “карнава́л”, step by step

Step	Language	Word	Meaning
1	French	carnaval	The carnival, last festive occasion before Lent,...
2	Italian	carnevale	carnival; festival in the week before Lent
3	Latin	carnem levāre	—

карнава́л — Etymology, Origin & Word History | Etymology Explorer