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Ἔρως ἀνίκατε μάχαν → O love, invincible in battle!
P. μαρμαρυγή, ἡ (Plato), Ar. and V. σέλας, τό (also Plato but rare P.), αὐγή, ἡ (also Plato but rare P.): see glitter.
Met., brilliant effort: P. and V. ἀγώνισμα, τό.