ἀΐδηλος
κάλλιστον ἐφόδιον τῷ γήρᾳ ἡ παιδεία (Aristotle, quoted by Diogenes Laertius 5.21) → the finest provision for old age is education
English (LSJ)
[ῐ], Dor. ἀΐδᾱλος, ον, (ἀ- priv., Φιδεῖν)
A making unseen, annihilating, destructive: in Hom., as epith. of Ares and Athena, Il.5.897,880; πῦρ ἀ. 2.455, al., Emp.109; ἠελίοιο ἔργ' ἀΐδηλα Parm.10.3; ἀΐδαλος τύχα Epigr.Gr.240.5 (Smyrna); ἄτη Opp.H.2.487; πότμος ib.1.150. Adv. -λως, = ὀλεθρίως, Il.21.220. II Pass., unseen, unknown, obscure, v.l. in Il.2.318, cf. Hes.Op.756, A.R.1.102, al.; unforeseen, ib.298; formless,4.681; unsubstantial, φρίκη Nic. Th.727; as epith. of Hades, dark, gloomy, S.Aj.608 (lyr.).
Greek (Liddell-Scott)
ἀΐδηλος: [ῐ], Δωρ. ἀΐδᾱλος, ον, (α στερητ. Fιδεῖν) = ὁ καθιστῶν τι ἀόρατον, ὁ ἐξαφανίζων, καταστρέφων· (πρβλ. ἀφανίζω): οὕτω πάντοτε παρ’ Ὁμ., ὡς ἐπίθ. τοῦ Ἄρεως, τῆς Ἀθηνᾶς, κτλ. Ἰλ. Ε. 897· ἀλλὰ πρὸ πάντων ἐπὶ τοῦ πυρός· Β. 455 κτλ.: - μεταγεν. τύχα, Συλλ. Ἐπιγρ. 3328. 5· Ὀππ. Ἁλ. 2. 487· πότμος, αὐτόθι 1. 150· ἀΐδαλος τύχα, Ἀνθ. Π. (παράρτ.) 200. - Ἐπίρρ. -λως, = ὀλεθρίως, Ἰλ. Φ. 220. ΙΙ. παθ. ἀόρατος, ἄγνωστος, σκοτεινός, Ἡσ. Ἔργ. καὶ Ἡμ. 754. Παρμενίδ. 135· - ὡς ἐπίθ. τοῦ ᾍδου εἴτε ἐν τῇ Ὁμηρ. σημασ., εἴτε = σκοτεινός, ἀμαυρός, Σοφ. Αἴ. 608 (λυρ.) - Λέξις ποιητ. περὶ ἧς ἴδε Βουττμ. Λεξιλ. ἐν λέξ. - πρβλ. ἀΐζηλος.
