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

il(d)rim

noun. unquiet, disturbance; disease

A noun in the Gnomish Lexicon of the 1910s with the meaning “unquiet, disturbance” and thus by extension “disease”, a combination of G. rim “quietness” with the negative prefix G. il- (GL/50).