δεξιότης
From LSJ
μή μοι θεοὺς καλοῦσα βουλεύου κακῶς· πειθαρχία γάρ ἐστι τῆς εὐπραξίας μήτηρ, γυνὴ Σωτῆρος· ὦδ᾽ ἔχει λόγος → When you invoke the gods, do not be ill-advised. For Obedience is the mother of Success, wife of Salvation—as the saying goes.
English (LSJ)
ητος, ἡ,
A dexterity, esp. of mind, sharpness, cleverness, σοφίη καὶ δ. Hdt.8.124, cf. Ar.Eq.719, al.; opp. ἀμαθία, Th.3.37. II = δεξίωσις, δ. καὶ φιλία Paus.7.7.5. III courtesy, kindliness (cf. δεξιός v), Ph.2.30. IV fortune, felicity, καιροῦ Lyd.Mag.1.3.