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

dant

noun. lamp

dantha-

verb. to illuminate, light up, illustrate

A verb in the Gnomish Lexicon of the 1910s glossed “illuminate, light up, illustrate”, likely related to G. dant “lamp”, though this word was rejected (GL/29).

danthos

noun. (artificial) light, illumination

A noun in the Gnomish Lexicon of the 1910s glossed “(artificial) light, illumination”, an abstract form of G. dantha- “illuminate” (GL/29).