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!

Qenya 

teren

adjective. slender, slender; [ᴱQ.] lissom, lithe

terendul

masculine name. Slender and Dark

Another name for Herendil in Tolkien’s unfinished story “The Lost Road”, translated “Slender and Dark” (LR/59). In The Etymologies, the name was glossed “slender-dark” given as a compound of teren “slender” and the root ᴹ√(N)DUL, which had derivatives such as nulla “dark” (Ety/DUL, NDUL, TER).

Qenya [Ety/DUL; Ety/NDUL; Ety/TER; EtyAC/DUL; LR/059; LRI/Terendul] Group: Eldamo. Published by

terene

adjective. slender

ninde

adjective. slender

kantea

adjective. shapely