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
impf. de ἔξεστι, v. ἔξειμι¹.
ἐξῆν: 3 л. sing. impf. к ἔξειμι I.
