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!

Gnomish

fug-

verb. to smoulder

A verb in the Gnomish Lexicon of the 1910s glossed “smoulder” (GL/36). It was marked with a “✱” which Tolkien used to begin a group of words based on a common root, probably ✱ᴱ√FUKU in this case.