πτέρωμα
ἅτε γὰρ ἐννάλιον πόνον ἐχοίσας βαθύν σκευᾶς ἑτέρας, ἀβάπτιστος εἶμι φελλὸς ὣς ὑπὲρ ἕρκος ἅλμας → for just as when the rest of the tackle labors in the depths of the sea, like a cork I shall go undipped over the surface of the brine | as when the other part of the tackle is laboring deep in the sea, I go unsoaked like a cork above the surface of the sea
English (LSJ)
ατος, τό,
A that which is feathered, e.g. feathered arrow, A.Fr.139, Lyc.56. 2 π. βραγχίων the fin by the gills of fishes, Ael.NA16.12. 3 colonnade of a temple, Vitr.3.3.9, 4.8.6. 4 πτερώματα πετάσου awnings, Ephes.2.41 (iii A.D.). II plumage, τὸ τῆς ψυχῆς π. Pl.Phdr.246e; in literal sense, Porph. ap. Eus.PE3.12: pl., Arist.Col.792a24, b28. 2 οἷον . . π. τῆς κινήσεως motive wingpower, Gal.7.586.