swamp
From LSJ
subs.
P. and V. λίμνη, ἡ, Ar. and P. τέλμα, τό, P. ἕλος, τό.
v. trans.
P. and V. κατακλύζειν.
When the sea swamps the boat effort is useless: P. ἐπειδὰν ἡ θάλαττα ὑπέρσχῃ μάταιος ἡ σπουδή (Dem. 128).
Outnumber: use P. and V. πλήθει προὔχειν (gen.).