ἔξαψις σφοδρὰ μετὰ πολλῆς βίας πίπτουσα ἐπὶ γῆς → a violent flare-up falling on the ground with great force, thunder and lightning
Graecus: a, um, v. Graeci, II. A.Graecus: i, v. Graeci, I.