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 

núra

adjective. deep

An adjective for “deep” in The Etymologies of the 1930s derived from ᴹ✶nūrā under the root ᴹ√NUR of the same meaning (Ety/NUR).