Where does “од” come from?

од (Ukrainian) comes from Proto-Slavic otъ, from Proto-Indo-European éti, from Proto-Indo-European h₁é, from Proto-Indo-European ǵʰe — Postpositional intensifying particle: indeed, at any rate, in fact.

Ancestry of “од”, step by step

StepLanguageWordMeaning
1Proto-Slavicotъfrom, away from; originating from, starting from...
2Proto-Indo-Europeanétibeyond; over
3Proto-Indo-Europeanh₁éand, then
4Proto-Indo-EuropeanǵʰePostpositional intensifying particle: indeed, at any rate, in fact
Every word from Proto-Indo-European ǵʰe →Every word from Proto-Indo-European h₁é →Every word from Proto-Indo-European éti →