τὸ γὰρ ὑπέγγυον δίκᾳ καὶ θεοῖσιν → liability to human and divine justice
subs.
P. and V. ὄνυξ, ὁ, V. χηλαί, αἱ.
With crooked talons, adj.: V. γαμψῶνυξ.
