Where does “ожесточение” come from?

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

ожесточение (Russian): bitterness, obduracy, anger, cruelty

Definitions

  1. bitterness, obduracy, anger, cruelty

Ancestry of “ожесточение”, step by step

StepLanguageWordMeaning
1Russianожесточи́тьto harden, to embitter
2Russianо-prefix added to adjectives or nouns to produce...
3Proto-Slavico(b)around, about; concerning; against, on
4Proto-Balto-Slavicab
5Proto-Indo-Europeanh₃ebʰi
Every word from Proto-Indo-European h₃ebʰiEvery word from Russian о-Every word from Proto-Balto-Slavic ab