Where does “беззаве́тный” come from?

беззаве́тный (Russian) comes from Russian заве́т, from Proto-Slavic zavětъ, from Proto-Slavic větъ, from Proto-Indo-European weyt-, from Proto-Indo-European wéy-, from Proto-Indo-European éǵh₂ — I.

беззаве́тный (Russian): whole-hearted, selfless, devoted service, devotion, etc

Definitions

whole-hearted, selfless, devoted service, devotion, etc

Ancestry of “беззаве́тный”, step by step

Step	Language	Word	Meaning
1	Russian	заве́т	precept, covenant, {{i\|obsolete}} vow
2	Proto-Slavic	zavětъ	covenant
3	Proto-Slavic	větъ	talk, agreement
4	Proto-Indo-European	weyt-	that which winds or bends, branch, switch;...
5	Proto-Indo-European	wéy-	—
6	Proto-Indo-European	éǵh₂	I

Words derived from “беззаве́тный”

беззаветно

Every word from Proto-Indo-European éǵh₂ →Every word from Proto-Indo-European wéy- →Every word from Proto-Indo-European weyt- →