ἀνδράφαξις

From LSJ

ἔξαψις σφοδρὰ μετὰ πολλῆς βίας πίπτουσα ἐπὶ γῆς → a violent flare-up falling on the ground with great force, thunder and lightning

Source

Greek (Liddell-Scott)

ἀνδράφαξις: ἴδε ἐν λ. ἀτράφαξυς.