σάκιον

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

French (Bailly abrégé)

v. σάκκιον.

Dutch (Woordenboekgrieks.nl)

σάκιον zie σάκκιον.