flap
From LSJ
ὁ γὰρ μανθάνων κιθαρίζειν κιθαρίζων μανθάνει κιθαρίζειν → he who is learning the harp, learns the harp by harping
English > Greek (Woodhouse)
v. trans.
P. and V. κινεῖν, σείειν, V. σαλεύειν (Eur., Cycl. 434). Flap the wings: Ar. πτερυγίζειν (absol. ). V. intrans. P. and V. σείεσθαι. Wave to and fro: P. and V. αἰωρεῖσθαι. Make a noise: P. and V. ψοφεῖν. subs. Part of a dress hanging loose: P. πτέρυξ, ἡ (Xen.).