ἀμφισβητεῖσθαι
From LSJ
δήλωσιν ποιούμενος ὅτι ὁ ἐντυγχάνων τοῖς τε λίθοις καὶ τοξεύμασι διεφθείρετο → intimating that it was a mere matter of chance who was hit and killed by stones and bow-shots
Greek > English (Woodhouse Verbs Reversed)
(see also ἀμφισβητέω): be a matter of opinion, be a subject of dispute, be called in question, be disputed, be doubted, be in doubt, be matter of opinion