köken: Etymology tree Proto-Indo-European *gʷeyh₃-der. Ancient Greek βῐ́ος (bĭ́os) Ancient Greek βῐο- (bĭo-)der. English bio- German Dieselbor. English diesel English biodieselubor. Polish biodiesel Unadapted borrowing from English biodiesel. First attested in 1995. By surface analysis, bio- + diesel.