ὀξυδερκής
From LSJ
νέῳ δὲ σιγᾶν μᾶλλον ἢ λαλεῖν πρέπει → it's fitting for a young man to keep silence rather than to speak (Menander)
English (LSJ)
ές,
A sharp-sighted, quick-sighted, Luc.Tim.25, al. : Comp. -έστερος Id.Vit.Auct.26, Hegesand.9 ; ὄψις Alex.Aphr.in Top.262.10 : Sup. -έστατος Hdt.2.68, Arist.Mir.834b28. Adv. -κῶς Ph.1.590 : Comp. -έστερον ib.229. II Act., promoting quickness of sight, ὕδωρ Diocl.Fr.128, cf. Dsc.5.5, Gal.12.263, al.
