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
egli(n)
noun.needle
A noun in the Gnomish Lexicon of the 1910s appearing as G. eglin or egli “needle” based on G. eg “point” (GL/32).
Neo-Sindarin: The root √EK “sharp point” survived in Tolkien’s later writings (WJ/365), so I’d retain ᴺS. eglin “needle” for purposes of Neo-Sindarin.
A noun in the Gnomish Lexicon of the 1910s appearing as G. eglin or egli “needle” based on G. eg “point” (GL/32).
Neo-Sindarin: The root √EK “sharp point” survived in Tolkien’s later writings (WJ/365), so I’d retain ᴺS. eglin “needle” for purposes of Neo-Sindarin.