Where does “опричати” come from?

опричати (Serbo-Croatian) comes from Serbo-Croatian о, from Proto-Slavic o(b), from Proto-Balto-Slavic ab, from Proto-Indo-European h₃ebʰi.

Definitions

Ancestry of “опричати”, step by step

опричати traces back through two separate lines of ancestry.

via Serbo-Croatian о

StepLanguageWordMeaning
1Serbo-Croatianоon, against; about, concerning
2Proto-Slavico(b)around, about; concerning; against, on
3Proto-Balto-Slavicab—
4Proto-Indo-Europeanh₃ebʰi—

via Serbo-Croatian причати

StepLanguageWordMeaning
1Serbo-Croatianпричатиto narrate, tell; to talk, converse, tell
2Serbo-Croatianпри̑чаstory
Every word from Proto-Indo-European h₃ebʰi →Every word from Proto-Balto-Slavic ab →Every word from Proto-Slavic o(b) →