RUKU

From Tolkien Gateway

RUKU is an Elvish root signifying "the dreadful shapes ... taken by the servants of Melkor"[1] that haunted the Elves and "the terror that they inspired"[2].

Derivatives[2]

Other versions

In the Etymologies appears the root RUK, signifying "demon".[3]

Also in the Etymologies appears the root ÓROK, from which derive words signifying "goblin":[4]

See also

References