ἔξαυγος
From LSJ
λέγεται δὲ καὶ κλῶνας αὐτῆς θύραις ἢ θυρίσι προστεθέντας ἀποκρούειν τὰς τῶν φαρμάκων κακουργίας → its branches attached to doors or windows are said to repel the evil of spells
English (LSJ)
ἔξαυγον, not ὕπαυγος, i.e. more than fifteen degrees from the sun, Olymp. in Mete.56.2, Porph. ap. Heph.Astr.2.18, Steph.in Hp.2.363D.
Spanish (DGE)
-ον
1 astr. no alcanzado por el brillo solar de cuerpos celestes distantes más de quince grados del sol ὁ δὲ Ζεὺς σὺν Ἡλίῳ, εἰ μὲν ὕπαυγος εἴη ... εἰ δὲ ἔ. Vett.Val.378.26, cf. Heph.Astr.2.18.18, Doroth.344.12, πλάνητες Olymp.in Mete.56.2, ὁ κύων Steph.in Hp.Aph.2.104.17.
2 translúcido λίθος τοπάζιος ... ἔ. καθὰ καὶ ὁ κρύσταλλος Orph.L.Ker.8.4.