A verb appearing as G. brath- “cook (tr.)” in the Gnomish Lexicon of the 1910s (GL/24), marked with a “✱” indicating it was a root as well.
Neo-Sindarin: For purposes of Neo-Sindarin I retain both ᴺS. brath- “to cook” and the Neo-Root ᴺ√BRATH of the same meaning.
A hypothetical Sindarin-only Neo-Root, used to salvage G. brath- “cook” and related words from the Gnomish Lexicon, possibly originally related to √MBAS “bake”.