ἀρκάδιον

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)

-ου, τό
dud., quizá dim. de ἄρακος, especie de arveja o almorta, POxy.1656.13 (IV/V d.C.).