Where does “долговременный” come from?

долговременный (Russian) comes from Russian вре́мя, from Church Slavonic врѣмѧ, from Proto-Slavic vermę, from Proto-Slavic vertmen, from Proto-Indo-European wertmen.

долговременный (Russian): long-term, of long duration, lasting

Definitions

  1. long-term, of long duration, lasting

Ancestry of “долговременный”, step by step

долговременный traces back through two separate lines of ancestry.

via Russian вре́мя

StepLanguageWordMeaning
1Russianвре́мяtime
2Church Slavonicврѣмѧ
3Proto-Slavicvermętime
4Proto-Slavicvertmen
5Proto-Indo-Europeanwertmen

via Russian до́лгий

StepLanguageWordMeaning
1Russianдо́лгийlong
2Proto-Slavicdь̀lgъlong
3Proto-Balto-Slavicdílˀgaslong
4Proto-Indo-Europeandl̥h₁gʰóslong
Every word from Proto-Indo-European wertmenEvery word from Proto-Slavic vertmenEvery word from Proto-Slavic vermę
долговременный — Etymology, Origin & Word History | Etymology Explorer