ἐπικεκρυμμένως
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
English (LSJ)
Adv., (ἐπικρύπτω)
A mystcriously, Plot.3.9.1, Porph. Plot.15.
German (Pape)
[Seite 947] im Verborgenen, heimlich, Sp.