περικωνέω
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)
A smear all over with pitch, π. τὰ ἐμβάδια black shoes, Ar. V.600.