supersede
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
deprive of office: P. παραλύειν (τινά) τῆς ἀρχῆς.
be successor to: P. διαδέχεσθαι (dat.).