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
Use P. and V. ὁ κεκτημένος, ὁ ἔχων.
landowner: P. γεωμόρος, ὁ, V. γαμόρος, ὁ.