εἰσκολυμβάω
From LSJ
ἄνω ποταμῶν ἱερῶν χωροῦσι παγαί → the springs of sacred rivers flow upward, backward to their sources flow the streams of holy rivers
English (LSJ)
swim into, Sch.Th.4.26.
Spanish (DGE)
zambullirse, bucear Sch.Th.4.26.
German (Pape)
[Seite 743] hineinschwimmen, Schol. Thuc. 4, 26.
Greek (Liddell-Scott)
εἰσκολυμβάω: κολυμβῶ εἰς, Σχόλ. εἰς Θουκ. 4. 26.