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

fingli

noun. narrow place, straits, sound, pass in mountains

A word for in the Gnomish Lexicon of the 1910s glossed “a narrow place, straits, a sound, a pass in mountains” which is a noun form of the adjective G fing “narrow” (GL/35).