A name for Ossë appearing in the Gnomish Lexicon from the 1910s (GL/33), an elaboration of falas(se) “beach” as suggested by Christopher Tolkien (LT2A/Falasquil).
Early Quenya
osse
masculine name. God of Sea
falman
masculine name. Osse
falassar
masculine name. Ossë
Another name for Ossë appearing in the earliest Lost Tales, also appearing in the Qenya and Gnomish Lexicons from the 1910s (LT1/66, GL/33, QL/37). It is derived from the root ᴱ√FALA, which is also the source of falas(se) “shore, surf”.