Quenya 

ardahyalma

noun. [planetary] crust

A neologism for “[planetary] crust“ from the Neo-Quenya Wiki, a compound of Arda “World” and hyalma “shell”.

Elements

WordGloss
Arda“The World, (lit.) Realm”
hyalma“conch, shell, horn of Ulmo”
Quenya Group: Eldamo - neologism/reconstructions. Published by