ἀέλπτως
From LSJ
ἄλογον δὴ τὸ μήτε μάχης ἄρξασθαι μήτε τοὺς φίλους φυλάξαι, ἐὰν ὑπό γε τῶν βαρβάρων ἀδικῆσθε → It is irrational neither to begin battle nor to guard the friends, if you are ever wronged by the foreigners
Russian (Dvoretsky)
ἀέλπτως: сверх ожидания (νόστιμον φάος βλέπειν Aesch.; κραίνειν τι Eur.): ἀφράστως ἀ. τε Soph. нежданно-негаданно.
English (Woodhouse)
(see also: ἄελπτος) unexpectedly