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
η /σταμίς, -ίδος, ΝΑ
η σταμίνα.
[ΕΤΥΜΟΛ. Βλ. λ. σταμίνα].