köken: Etymology tree Proto-Indo-European *h₃ep-der. Proto-Italic *opnis Latin omnis Latin omnibuslbor. French omnibusbor. Polish omnibus Borrowed from French omnibus.
Possibly directly or else via French from New Latin factotum (literally “do everything”), from Latin fac, present singular imperative of faciō (“do, make”) + tōtum (“everything”); attested in Dutch from 1605.