ἔξαψις σφοδρὰ μετὰ πολλῆς βίας πίπτουσα ἐπὶ γῆς → a violent flare-up falling on the ground with great force, thunder and lightning
impărĭter: adv., v. impar.
impărĭtĕr¹⁶ (impar), inégalement : Hor. P. 75.