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
(ἆράομαι, cf. Od. 7.54, 64 f.): Arēte, wife of Alcinous, king of the Phaeacians, and mother of Nausicaa.