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
ἀγλαΐα, ἀγλάϊσμα, εὐμορφία, καλλονή, κάλλος, καλλοσύνη, καλλοσύνα, καλότης, καλλίστευμα, τὸ εὐειδές, τὸ καλόν, χάρις, ὡραιότης