Where does “by” come from?

by (Polish) comes from Old Polish by, from Proto-Slavic *by.

by (Polish): a particle used to make conditional mood; would,...

Definitions

  1. a particle used to make conditional mood; would,...

Ancestry of “by”, step by step

StepLanguageWordMeaning
1Old Polishbyintroduces a clause of aim; to, so that, in order to
2Proto-Slavic*by—

Words derived from “by”

Every word from Proto-Slavic *by →Every word from Old Polish by →