Where does “обветшать” come from?

обветшать (Russian) comes from Russian ветша́ть, from Russian -а́ть, from Proto-Slavic -ati, from Proto-Slavic -ěti, from Proto-Balto-Slavic -ēˀtei, from Proto-Indo-European -éh₁ti — Creates stative verbs from perfective roots;...

обветшать (Russian): to decay; to dilapidate; to become decrepit

Definitions

  1. to decay; to dilapidate; to become decrepit

Ancestry of “обветшать”, step by step

обветшать traces back through two separate lines of ancestry.

via Russian ветша́ть

StepLanguageWordMeaning
1Russianветша́тьto decay; to dilapidate; to become decrepit
2Russian-а́тьThe infinitive suffix for many verbs. Usually indicates an imperfective verb
3Proto-Slavic-atiFrom imperfective verbs, forming...
4Proto-Slavic-ětiInherited, stative; Deadjectival, inchoative;...
5Proto-Balto-Slavic-ēˀtei
6Proto-Indo-European-éh₁tiCreates stative verbs from perfective roots;...

via Russian об–

StepLanguageWordMeaning
1Russianоб–before certain letters
Every word from Proto-Indo-European -éh₁tiEvery word from Russian -а́тьEvery word from Proto-Slavic -ěti