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
ἀΐδαλος: -ον, Δωρ. ἀντὶ τοῦ ἀΐδηλος.
