impugn
From LSJ
ἐν δὲ μηνὸς πρῶτον τύχεν ἆμαρ → it chanced to be on the first of the month, that day fell on the first of the month
English > Greek (Woodhouse)
verb transitive
call in question: P. and V. ἐλέγχειν, ἐξελέγχειν.
suspect: P. and V. ὑποπτεύειν.
attack: P. καθάπτεσθαι (gen.).