by stealth
From LSJ
ἔξαψις σφοδρὰ μετὰ πολλῆς βίας πίπτουσα ἐπὶ γῆς → a violent flare-up falling on the ground with great force, thunder and lightning
English > Greek (Woodhouse Extra)
λάθρα, λαθραίως, κρύφα, κρύβδην, κρυφῆ, κρυφαίως, κρύβδα
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