πτέρυξ
Alt. πτέρυξ, υ^γος,
Etym. πτερόν
I. "the wing" of a bird, Il.; in pl. "wings", Hom., etc.
2. "a winged creature, a bird", Anth.
II. "anything like a wing, the flap or skirt" of a coat of armour, Xen.; also of the doric χιτών, Ar.
2. "the broad edge" of a knife or spear, Plut.
III. "anything that covers or protects" like wings, πτ. πέπλων Eur.; Εὐβοίης πτέρυξ, i. e. Aulis, id=Eur.
IV. metaph., πτέρυγες γόων "the wings", i. e. "the flight or flow", of grief, Soph.; πτ. Πιερίδων Pind.