Where does “резлив” come from?

резлив (Bulgarian) comes from Bulgarian ре́жа, from Old Church Slavonic рѣзати, from Proto-Slavic rězati, from Proto-Balto-Slavic *rḗˀźtei, from Proto-Indo-European wreh₁ǵ- — to break, tear.

резлив (Bulgarian): cutting, sharp, keen

Definitions

cutting, sharp, keen

Ancestry of “резлив”, step by step

Step	Language	Word	Meaning
1	Bulgarian	ре́жа	to cut, to slice to divide or separate something with a knife, blade, or sharp tool
2	Old Church Slavonic	рѣзати	to cut
3	Proto-Slavic	rězati	to cut, to slice; to crop, to shear; to trim
4	Proto-Balto-Slavic	*rḗˀźtei	to cut
5	Proto-Indo-European	wreh₁ǵ-	to break, tear

Every word from Proto-Indo-European wreh₁ǵ- →Every word from Proto-Balto-Slavic *rḗˀźtei →Every word from Proto-Slavic rězati →