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 

eldakan

masculine name. Elf-bold

A name appearing in The Etymologies from the 1930s with the gloss “Ælfnoþ” = Old English for “Elf-bold(ness)” (Ety/KAN). It seems to be as compound of Elda “elf” and the root ᴹ√KAN.

Elements

WordGloss
Elda“Elf”
KAN“dare”