τάνυσις
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)
εως, ἡ,
A = τάσις, Hp.Art.71, Aret.CA2.2.
German (Pape)
[Seite 1067] ἡ, = τάσις, Hippocr. u. sp. Medic.