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 

lokse

noun. hair, hair [in general]

A noun in The Etymologies of the 1930s glossed “hair” derived from the root ᴹ√LOKH (Ety/LOKH).

Conceptual Development: A similar word ᴱQ. laksa “tress” appeared in a list of body parts from the 1920s (PE14/117).