Etymograph
>
Indo-European
>
Old English
>
Dictionary
>
l
a
gu
N (masc)
sea, water
Source:
Ringe 2014
:191,
https://bosworthtoller.com/21044
originates from: PWGmc
*lagu
"water, the sea" (lagu
>
lægu
>
lagu) through pwgmc-to-oe
(source:
Ringe 2014
:191)