unexpectedly
From LSJ
τὸν ἀπὸ γραμμᾶς κινεῖν λίθον → move one's man from this line, move a piece from this line, try one's last chance, make a last ditch effort
English > Greek (Woodhouse)
adverb
P. ἐξ ἀπροσδοκήτου, ἀπροσδοκήτως, ἀδόκητα, ἀδοκήτως, ἀνελπίστως, δυσελπίστως, V. ἀέλπτως, P. and V. παρὰ λόγον, παρ' ἐλπίδα, παρ' ἐλπίδας.
suddenly: P. and V. ἄφνω, ἐξαίφνης, P. ἐξαπιναίως, αἰφνιδίως, Ar. and P. ἐξαπίνης.