O.E. fugel "bird," general Gmc. word (cf. Gothic fugls), from P.Gmc. *foglaz (cf. O.N. fugl, M.Du. voghel, Ger. vogel, Goth. fugls), probably by dissimilation from *flug-la-, lit. "flyer," from the same root as O.E. fleogan, modern
fly (v.1). Originally "bird;" narrower sense