δωνατικός

From LSJ

ἐν οἰκίᾳ τυφλῶν καὶ ὁ νυκτάλωψ ὀξυδερκήςeven the day-blind is sharp-eyed in a blind house | among the blind, the one-eyed man is king

Source

Spanish (DGE)

-ή, -όν
en donativo, como regalo δ. διάδοσις (cf. δωνατίουον), Sud.