καλλείψω

From LSJ

ὥσπερ ἀνέµου 'ξαίφνης ἀσελγοῦς γενοµένου → just as when a wind suddenly turns foul, just as when a wind suddenly turns nasty

Source

Russian (Dvoretsky)

καλλείψω: эп. fut. к καλλείπω.