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
Beisitzer, assessor (vor Gericht u. sonst bei Beratungen). – die Beisitzer des Richters, consilia, ōrum,n.