ἰσχνόω
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 = ἰσχναίνω, make dry, Arist.Pr.885a19; put on low diet, Orib.Syn.9.37.4.
German (Pape)
[Seite 1273] dünn, trocken, mager machend, Arist. probl. 5, 40 u. Sp.
Greek (Liddell-Scott)
ἰσχνόω: ἰσχναίνω, ξηραίνω, Ἀριστ. Προβλ. 5. 40.
Russian (Dvoretsky)
ἰσχνόω: делать сухим, худым, тощим Arst.