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
ἔργον, πενία, πενίη, προσδέησις, ἔνδεια, ὑστέρημα, ἀμηχανία, ἀμηχανίη, ἀμαχανία, ἀναγκαῖον, χρεία, χρημοσύνη, στένος, ἀνάγκη, δέησις