Where does “почём” come from?

почём (Russian) 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.

почём (Russian): how much?

Definitions

  1. how much?

Ancestry of “почём”, step by step

почём 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 Russian чём

StepLanguageWordMeaning
1Russianчёмthan
Every word from Proto-Indo-European h₂epoEvery word from Proto-Indo-European h₂póEvery word from Proto-Slavic po
почём — Etymology, Origin & Word History | Etymology Explorer