διὰ λαμπροτάτου βαίνοντες ἁβρῶς αἰθέρος → passing lightly through clear-shining air (Euripides, Medea 829)
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.