Feier, f., ‘holiday, festival, celebration,’ from MidHG. vîre, f., OHG. fîra, fîrra, ‘festival, holiday’; borrowed from MidLat. fêria (formed from Lat. feriae), with the lat ê strengthened, as Kreide, Speise, Seide, Pein; the cause of the rr in OHG. fîrra is the i of fêria.