Philoneos’ mistress accompanied him to attend the sacrifice. On reaching Peiraeus, Philoneos of course carried out the ceremony. When the sacrifice was over, the woman considered how to administer the draught: should she give it before or after supper? Upon reflection, she decided that it would be better to give it afterwards, thereby carrying out the suggestion of this Clytemnestra here. For the metaphorical use of the name cf. Andoc. 1.129 τίς ἂν εἴη οὗτος; Οἰδίπους, ἢ Αἴγισθος;