köken: Etymology tree Proto-Indo-European *h₂ewder.? Proto-Indo-European *sóder.? Proto-Indo-European *h₂ewder. Ancient Greek αὖ (aû) Ancient Greek τόν (tón)? Ancient Greek αὐτός (autós) Ancient Greek αὐτο- (auto-)lbor. French auto- French car French autocarbor. Polish autokar Borrowed from French autocar.
köken: From English omnibus and/or French omnibus (e.g. in the company name Helsingin Raitiotie ja Omnibus Oy), later shortened like in (and probably following) other languages.
A train coach or carriage; a passenger car, either drawn by a locomotive or part of a multiple unit. · A bus coach; a bus for long-distance journeys or travels. · A coach, trainer, or instructor.