Where does “о́вен” come from?

о́вен (Russian) comes from Proto-Slavic ovьnъ, from Proto-Balto-Slavic awinas, from Proto-Indo-European h₃éwis — sheep.

Ancestry of “о́вен”, step by step

StepLanguageWordMeaning
1Proto-Slavicovьnъram
2Proto-Balto-Slavicawinasram
3Proto-Indo-Europeanh₃éwissheep
Every word from Proto-Indo-European h₃éwis →Every word from Proto-Balto-Slavic awinas →Every word from Proto-Slavic ovьnъ →