unexpectedly
From LSJ
Οὐκ ἔστι σιγᾶν αἰσχρόν, ἀλλ' εἰκῆ λαλεῖν → Silere non est turpe, sed frustra loqui → nicht Schweigen schändet, sondern Schwätzen auf gut Glück
English > Greek (Woodhouse)
adverb
P. ἐξ ἀπροσδοκήτου, ἀδοκήτως, V. ἀέλπτως, P. and V. παρὰ λόγον, παρ' ἐλπίδα, παρ' ἐλπίδας.
suddenly: P. and V. ἄφνω, ἐξαίφνης, P. ἐξαπιναίως, αἰφνιδίως, Ar. and P. ἐξαπίνης.