ποταμόνδε
From LSJ
Ὁ δὲ μὴ δυνάμενος κοινωνεῖν ἢ μηδὲν δεόμενος δι' αὐτάρκειαν οὐθὲν μέρος πόλεως, ὥστε ἢ θηρίον ἢ θεός → Whoever is incapable of associating, or has no need to because of self-sufficiency, is no part of a state; so he is either a beast or a god
English (LSJ)
Adv.
A to or towards a river, Il.21.13, Od.10.159, al.
German (Pape)
[Seite 688] adv., in den Fluß, zum Fluß hin, Il. 21, 13 Od. 10, 159.