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

eleg

adjective. other, else

A word appearing as G. eleg {“single, only, unique” >>} “other, else” in the Gnomish Lexicon of the 1910s based on G. el “or” (GL/32).

Neo-Sindarin: Elaran suggested updating this word to ᴺS. egel based on the later root √HEK “separate” and inspired by S. egor “or”. Elaran gave egel the gloss “other”, and I would also use it for “an other” or “another” for purposes of Neo-Sindarin. Roman Rausch instead suggested ᴺS. eithor “other, another” based on S. eithro “also”.