εὐπαιδευσία
From LSJ
ἐξ ὀνύχων λέοντα τεκμαίρεσθαι → judge by the claws, judge by a slight but characteristic mark, small traits give the clue to the character of a person, deduce something from a small indication, identify a lion from its claws
English (LSJ)
ἡ,
A goodness of education, E.Fr.1100, Men.Mon.653, Aret.SD1.6; culture, scholarship, ἐπιστολαὶ -ευσίας μεσταί Philostr. VS1.18.4.