Where does “ветхость” come from?

ветхость (Russian) comes from Russian ве́тхий, from Old East Slavic ветъхъ, from Proto-Slavic vetъxъ, from Proto-Balto-Slavic *wétušas, from Proto-Indo-European wēt- — year.

ветхость (Russian): dilapidation, dilapidated state

Definitions

  1. dilapidation, dilapidated state

Ancestry of “ветхость”, step by step

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