διαπλατύνω
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 dilate, X.Lac.2.5; fiatten out, Chrysipp.Tyan. ap. Ath.14.648a.
German (Pape)
[Seite 595] ganz breit machen, Ath. XIV, 648 a; τὰ σώματα σίτῳ Xen Lac. 2, 6.