ἀποκολυμβάω
From LSJ
τὸ ἀγαθὸν αἱρετόν· τὸ δ' αἱρετὸν ἀρεστόν· τὸ δ' ἀρεστὸν ἐπαινετόν· τὸ δ' ἐπαινετὸν καλόν → what is good is chosen, what is chosen is approved, what is approved is admired, what is admired is beautiful
English (LSJ)
A dive and swim away, Th.4.25, D.C.49.1.
German (Pape)
[Seite 308] durch Schwimmen entkommen, Thuc. 4, 25.