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 

angaina

adjective. of iron

An adjectival form of ᴹQ. anga “iron” from The Etymologies of the 1930s (Ety/ANGĀ), also mentioned in the Qenya Lexicon and Poetic and Mythological Words of Eldarissa of the 1910s (QL/31; PME/31).