suddenly
From LSJ
English > Greek (Woodhouse)
adverb
P. and V. αἴφνης, ἄφνω, ἐξαίφνης, αἰφνηδόν, αἰφνηδίς P. αἰφνιδίως, ἐξαίθνας Ar. and P. ἐξαπιναίως, ἐξαπίνης, αὐτίκα.
unexpectedly: P. ἀπροσδοκήτως, ἐξ ἀπροσδοκήτου, ἀδόκητα, ἀδοκήτως, ἀνελπίστως, δυσελπίστως, V. ἀέλπτως; see unexpectedly.