Where does “отби́ть” come from?

отби́ть (Russian) comes from Russian бить, from Proto-Slavic bìti, from Proto-Balto-Slavic bī́ˀtei, from Proto-Indo-European bʰeyh₂- — to fear, be afraid; to strike, hit; to hew, cut.

отби́ть (Russian): to beat off (an attack; enemies), to repulse

Definitions

to beat off (an attack; enemies), to repulse

Ancestry of “отби́ть”, step by step

Step	Language	Word	Meaning
1	Russian	бить	to beat; бить в ладо́ши ― bitʹ v ladóši ― to clap...
2	Proto-Slavic	bìti	to beat
3	Proto-Balto-Slavic	bī́ˀtei	to beat
4	Proto-Indo-European	bʰeyh₂-	to fear, be afraid; to strike, hit; to hew, cut

Words derived from “отби́ть”

отбива́ть
отбиться
отбойник
отбивной
отбиваться

Every word from Proto-Indo-European bʰeyh₂- →Every word from Proto-Balto-Slavic bī́ˀtei →Every word from Proto-Slavic bìti →