Lagu-síþ

According to the Old English Dictionary:

es;

lagu-síþ

m. A sea-journey :-- Ðære láfe lagosíþa for those who are left after sea-journeyings [those who were saved in the ark], Cd. 67; Th. 81, 11; Gen. 1343. Lagosíþa rest rest from sea-journeyings [on coming out of the ark], 73; Th. 89, 26; Gen. 1486. lagu-siþ