ἐξαμαρτάνειν
From LSJ
Ὦ τύμβος, ὦ νυμφεῖον, ὦ κατασκαφὴς οἴκησις αἰείφρουρος, οἷ πορεύομαι πρὸς τοὺς ἐμαυτῆς → Tomb, bridal chamber, eternal prison in the caverned rock, whither I go to find mine own.
Greek > English (Woodhouse Verbs Reversed)
(see also ἐξαμαρτάνω): sin, be at fault, be mistaken, be wrong, do wrong, go wrong, make a mistake