Where does “ослабнуть” come from?

ослабнуть (Russian) comes from Russian о-, from Proto-Slavic o(b), from Proto-Balto-Slavic ab, from Proto-Indo-European h₃ebʰi.

ослабнуть (Russian): to weaken, to become weaker, to become/grow weak;...

Definitions

  1. to weaken, to become weaker, to become/grow weak;...

Ancestry of “ослабнуть”, step by step

StepLanguageWordMeaning
1Russianо-prefix added to adjectives or nouns to produce...
2Proto-Slavico(b)around, about; concerning; against, on
3Proto-Balto-Slavicab—
4Proto-Indo-Europeanh₃ebʰi—
Every word from Proto-Indo-European h₃ebʰi →Every word from Russian о- →Every word from Proto-Balto-Slavic ab →