κάλλιστον ἐφόδιον τῷ γήρᾳ ἡ παιδεία (Aristotle, quoted by Diogenes Laertius 5.21) → the finest provision for old age is education
ον,
A with two eye-balls, Theoc.Ep.6.
δίγληνος: -ον, ὁ ἔχων δύο γλήνας, κόρας (τοῦ ὀφθαλμοῦ), Θέοκρ. Ἐπιγρ. 6.