Gnomish
uthwen
noun. escape, way out, exit
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!
uthwen
noun. escape, way out, exit
A noun appearing as G. uthwen “way out, exit; escape” in the Gnomish Lexicon of the 1910s related to the verb G. uthra- “get away, escape” (GL/75), both clearly based on the early root ᴱ√USU “get out, escape” (QL/98).
Neo-Sindarin: For purposes of Neo-Sindarin, I would retain this noun as ᴺS. uthwen “way out, exit; escape”, but re-etymologized as a combination of the Neo-Root ᴺ√UTH “escape” with men “way”, with thm > thw and then the u preserved by the following w.