Gnomish
flass
noun. sea-marge, surf; foam; margin, ragged margin, fringe
tholos
noun. sea-marge
Beware, older languages below! The languages below were invented during Tolkien's earlier period and should be used with caution. Remember to never, ever mix words from different languages!
A noun in the Gnomish Lexicon of the 1910s glossed “sea-marge, surf; foam; margin, ragged margin, fringe” (GL/35), derived from the root ᴱ√fal- which was “connected with ... many words in fl–” (GL/33).