Where does “нестареющий” come from?

нестареющий (Russian) comes from Russian старение, from Russian -е́ние, from Old Church Slavonic -ньѥ, from Proto-Slavic -nьje, from Proto-Slavic -ьje — Denominal, forming collective nouns; Deverbal ,...

нестареющий (Russian): Not aging; ageless

Definitions

  1. Not aging; ageless

Ancestry of “нестареющий”, step by step

нестареющий traces back through two separate lines of ancestry.

via Russian старение

StepLanguageWordMeaning
1Russianстарениеageing/aging process of becoming older
2Russian-е́ние-tion
3Old Church Slavonic-ньѥ—
4Proto-Slavic-nьjeDeverbal, forming action nouns
5Proto-Slavic-ьjeDenominal, forming collective nouns; Deverbal ,...

via Russian не

StepLanguageWordMeaning
1Russianнеnot, no, -n't, without; Idiomatic negative usage;...
2Proto-Slavicnenot
3Proto-Balto-Slavicnēnot
4Proto-Indo-Europeannénot; no
Every word from Proto-Slavic -ьje →Every word from Russian -е́ние →Every word from Proto-Slavic -nьje →