Where does “равнодушие” come from?

равнодушие (Russian) comes from Russian душа́, from Old East Slavic доуша, from Proto-Slavic duša, from Proto-Slavic *duxja.

равнодушие (Russian): indifference, unconcern, disregard

Definitions

  1. indifference, unconcern, disregard

Ancestry of “равнодушие”, step by step

равнодушие traces back through 3 separate lines of ancestry.

via Russian душа́

StepLanguageWordMeaning
1Russianдуша́breath, spirit
2Old East Slavicдоушаsoul
3Proto-Slavicdušasoul; spirit
4Proto-Slavic*duxja

via Bulgarian ра́вен

StepLanguageWordMeaning
1Bulgarianра́венeven, level, flat, smooth
2Proto-Slavicorvьnъstraight; even
3Proto-Slavic-ьnъ-ish, -ic, -al, -ed; From adjectives

via Russian ра́вный

StepLanguageWordMeaning
1Russianра́вныйequal (the same in all respects)

Words derived from “равнодушие

Every word from Proto-Slavic *duxjaEvery word from Proto-Slavic dušaEvery word from Old East Slavic доуша