Where does “po-signo” come from?

po-signo (Esperanto) comes from Esperanto po, 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-signo (Esperanto): at sign

Definitions

  1. at sign

Ancestry of “po-signo”, step by step

po-signo traces back through two separate lines of ancestry.

via Esperanto po

StepLanguageWordMeaning
1Esperantopoeach, apiece, at, @; The name of the Latin-script...
2RussianПОsoftware
3Old East Slavicпоon, along, by
4Proto-Slavicpoafter; by; at
5Proto-Indo-Europeanh₂póoff, away
6Proto-Indo-Europeanh₂epofrom, off, back; off, away; off, from

via Esperanto signo

StepLanguageWordMeaning
1Esperantosignosign, signal; character, mark
2Latinsignumvisible indication: sign, mark, signal; seal,...
3Proto-Italicseknomsign
4Proto-Indo-Europeansek-to cut, cut off, sever
Every word from Proto-Indo-European h₂epo →Every word from Proto-Indo-European h₂pó →Every word from Proto-Slavic po →