νιφετώδης
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)
ες,
A snowy, [ἄνεμος] Arist. Mete.364b21; ἡμέρα, νύξ, Plb.3.72.3, Plu.Crass.10; ἀέρες Str.4.5.2.