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

umbel

noun. a dell

A word glossed “a dell” in the Gnomish Lexicon of the 1910s with variants umbel and umli, apparently an elaboration on G. um “lowlying” (GL/74).

umli

noun. a dell