Where does “оубо” come from?

оубо (Old Church Slavonic) comes from Old Church Slavonic оу, from Proto-Slavic u, from Proto-Balto-Slavic au, from Proto-Indo-European h₂ew, from Proto-Indo-European ǵʰe — Postpositional intensifying particle: indeed, at any rate, in fact.

оубо (Old Church Slavonic): therefore

Definitions

  1. therefore

Ancestry of “оубо”, step by step

оубо traces back through two separate lines of ancestry.

via Old Church Slavonic оу

StepLanguageWordMeaning
1Old Church Slavonicоуfrom; at; in
2Proto-Slavicuat, near, by
3Proto-Balto-Slavicau—
4Proto-Indo-Europeanh₂ewaway from, off; again
5Proto-Indo-EuropeanǵʰePostpositional intensifying particle: indeed, at any rate, in fact

via Old Church Slavonic бо

StepLanguageWordMeaning
1Old Church Slavonicбоfor
2Proto-Slavicbofor
3Proto-Balto-Slavicbafor
4Proto-Indo-Europeanbʰoemphatic particle: surely, indeed
Every word from Proto-Indo-European ǵʰe →Every word from Proto-Indo-European h₂ew →Every word from Proto-Balto-Slavic au →