alakshyamanau -- not being seen; ripuna -- by Their enemy; sa -- together; anugena -- with his followers; yadu -- of the Yadus; uttamau -- the two most excellent; sva-puram -- to Their own city (Dvaraka); punah -- again; ayatau -- They went; samudra -- the ocean; parikham -- having as its protective moat; nripa -- O King.

Unseen by Their opponent or his followers, O King, those two most exalted Yadus returned to Their city of Dvaraka, which had the ocean as a protective moat.