faloth is a Sindarin noun meaning "foam"
The word derives from the root PHAL "foam" (cf. falas).
The second element might be related to hoth or simply an ending seen in faroth and nogoth
- ↑ Parma Eldalamberon 17
- ↑ J.R.R. Tolkien, Christopher Tolkien (ed.), The Lost Road and Other Writings, "Part Three: The Etymologies", PHAL