An Etymological Dictionary of the German Language/Fahrt
Fahrt, f., ‘journey, ride, drive, voyage, course,’ from MidHG. vart, OHG. fart; comp. OSax. fard, ‘journey, voyage,’ AS. fyrd, ferd, f., ‘journey, voyage, expedition, troops on the march,’ OIc. ferð, f., ‘journey’; Goth. *farþs or *fards is wanting, but the term us-farþô (us skipa, ‘shipwreck’) occurs once. From por-ti-s, a derivative of the root por appearing in fahren; comp. also fertig.