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 

taure huinéva

place name. *Forest of Shadow

A Quenya translation of N. Taur-na-Fuin “Forest of Night” appearing in The Etymologies from the 1930s (Ety/PHUY). Tolkien did not provide a Quenya translation of the later name S. Taur-nu-Fuin.

Cognates

Elements

WordGloss
taure“great wood, forest”
huine“deep shadow, nightshade”

fuine

noun. deep shadow