Where does “ветхозаветный” come from?

ветхозаветный (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.

ветхозаветный (Russian): Old Testament, vetero-testamentary; antiquated

Definitions

  1. Old Testament, vetero-testamentary; antiquated

Ancestry of “ветхозаветный”, step by step

ветхозаветный traces back through two separate lines of ancestry.

via Russian заве́т

StepLanguageWordMeaning
1Russianзаве́тprecept, covenant, {{i|obsolete}} vow
2Proto-Slaviczavětъcovenant
3Proto-Slavicvětъtalk, agreement
4Proto-Indo-Europeanweyt-that which winds or bends, branch, switch;...
5Proto-Indo-Europeanwéy-—
6Proto-Indo-Europeanéǵh₂I

via Russian ве́тхий

StepLanguageWordMeaning
1Russianве́тхийold, aged
2Old East Slavicветъхъ—
3Proto-Slavicvetъxъold, ancient
4Proto-Balto-Slavic*wétušasold, ancient
5Proto-Indo-Europeanwēt-year
Every word from Proto-Indo-European éǵh₂ →Every word from Proto-Indo-European wéy- →Every word from Proto-Indo-European weyt- →