κάλλιστον ἐφόδιον τῷ γήρᾳ ἡ παιδεία (Aristotle, quoted by Diogenes Laertius 5.21) → the finest provision for old age is education
κλάϊστρον: τό, Δωρ. ἀντὶ κλεῖστρον, ὃ ἴδε.
κλάϊστρον: τό, Δωρ. αντί κλεῖστρον.