ἀγλαοτρίαινα
From LSJ
τὸ δὲ ποιεῖν ἄνευ νοῦ ἃ δοκεῖ καὶ σὺ ὁμολογεῖς κακὸν εἶναι: ἢ οὔ → but doing what one thinks fit without intelligence is—as you yourself admit, do you not?—an evil
English (LSJ)
[ῐ], ὁ, acc. -αινᾰν,
A he of the bright trident, epith. of Poseidon, Pi.O.1.40.
English (Slater)
ἀγλᾰολτ;γτ;τρῐαινα
1 with splendid trident, of Poseidon; as subs. τότ' Ἀγλαοτρίαιναν ἁρπάσαι (O. 1.40)