ἐκφεγγής

From LSJ

τούτων γάρ ὄνομα μόνον κοινόν, ὁ δέ κατά τοὔνομα λόγος τῆς οὐσίας ἕτεροςthough they have a common name, the definition corresponding with the name differs for each (Aristotle, Categoriae 1a3-4)

Source

Spanish (DGE)

-ές
deslumbrante (ἄγγελος) ἐξέλαμψεν ... μέγας δε καὶ ἐ. Philost.HE 10.9.