οὓς ἡγεμόνας πόλεως ἐπαιδεύσασθε → whom you educated as city leaders
αἰνότης: -ητος, ἡ, (αἰνός) = δεινότης, Ἡρωδιαν. περὶ μον. λέξ. 33. 27.
ητος, ἡ, ion. = δεινότης, Hdn. π. μ. λ. 33.