πτέρωσις
From LSJ
ὀψὲ θεῶν ἀλέουσι μύλοι, ἀλέουσι δὲ λεπτά → the millstones of the gods grind late, but they grind fine | the mills of God grind slowly, but they grind exceedingly small
English (LSJ)
εως, ἡ,
A plumage, Ar.Av.94,97; ἀπολαμβάνειν τὴν π., opp. πτερορρυεῖν, Arist. HA564b2, cf. 601b6, PA642b24. 2 feathering of arrows, Aen. Tact.31.27. 3 pl., names of parts of surgical machines, Orib. 49.4.9, al. II metaph., λόγων πτέρωσις (cf. πτερόεις 11) Jul.Ep. 193.
German (Pape)
[Seite 809] ἡ, die Befiederung; Ar. Av. 94. 97; Arist. H. A. 6, 9; Luc. Gall. 23.