A lake in Nevrast named after “the multitude of birds that dwelt there” (S/119), translated “Lake of Birds” (UT/401). This name is a combination of lîn “pool” and a variant plural of aew “bird” (SA/lin¹).
Sindarin
Linaewen
noun. mere of birds
linaewen
place name. Lake of Birds
lin (“pool, mere”) + aew (“bird”) + en (adjective suffix)