κεφαλόπουλο

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

Greek Monolingual

το
μικρός κέφαλος.
[ΕΤΥΜΟΛ. < κεφαλ(ο)- + -πουλο (< -πουλος < λατ. pullus «νεοσσός»), πρβλ. αϊτό-πουλο, ορνιθό-πουλο].