ἰσόχειρ
From LSJ
κορυδός ἐν ἀμούσοις φθέγγεται → a lark sings amid the songless | in the land of the blind, the one-eyed man is king | in the country of the blind, the one-eyed man is king | in the valley of the blind, the one-eyed man is king
English (LSJ)
χειρος, ὁ, ἡ,
A ambidextrous, Philostr. Gym.41.
Greek (Liddell-Scott)
ἰσόχειρ: χειρος, ὁ, ἡ, ἔχων ἰσοδύναμιν χεῖρά τινι, περὶ τοῦ υἱοῦ τοῦ Θεοῦ, ἰσόχειρ τε καὶ ἰσοσθενὴς τῷ πατρὶ Κύριλλ. Ἀλ. περὶ Ἁγ. Τριάδ. σ. 578.