ἐκκολυμβάω G1579
ekkolymbáō · ek-kol-oom-bah'-o · Verb
from ἐκ and κολυμβάω; to escape by swimming:--swim out.
1 Occurrence in the King James Bible
Acts 27:42And the soldiers’ counsel was to kill the prisoners, lest any of them should swim out, and escape.