Where does “-by” come from?

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

-by (Polish): conditional mood marker

Definitions

  1. conditional mood marker

Ancestry of “-by”, step by step

StepLanguageWordMeaning
1Old Polish-by[[conditional mood
2Old Polishbyintroduces a clause of aim; to, so that, in order to
3Proto-Slavic*by—

Words derived from “-by”

Every word from Proto-Slavic *by →Every word from Old Polish -by →Every word from Old Polish by →
-by — Etymology, Origin & Word History | Etymology Explorer