[ῐ], ὁ, acc. -αινᾰν, he of the bright trident, epithet of Poseidon, Pi.O.1.40.
ἀγλᾰολτ;γτ;τρῐαινα with splendid trident, of Poseidon; as subs. τότ' Ἀγλαοτρίαιναν ἁρπάσαι (O. 1.40)