Where does “po” come from?

po (Esperanto) comes from Russian ПО, from Old East Slavic по, from Proto-Slavic po, from Proto-Indo-European h₂pó, from Proto-Indo-European h₂epo — from, off, back; off, away; off, from.

po (Esperanto): each, apiece, at, @; The name of the Latin-script...

Definitions

  1. each, apiece, at, @; The name of the Latin-script...

Ancestry of “po”, step by step

po traces back through two separate lines of ancestry.

via Russian ПО

StepLanguageWordMeaning
1RussianПОsoftware
2Old East Slavicпоon, along, by
3Proto-Slavicpoafter; by; at
4Proto-Indo-Europeanh₂póoff, away
5Proto-Indo-Europeanh₂epofrom, off, back; off, away; off, from

via Polish PO

StepLanguageWordMeaning
1PolishPOafter
2PolishwoliOf, pertaining to, or characteristic of an ox;...
3Polishwółox, steer
4Proto-Slavicvolъox
5Proto-Balto-Slavicwalas—

Words derived from “po”

Every word from Proto-Indo-European h₂epo →Every word from Proto-Indo-European h₂pó →Every word from Proto-Slavic po →