beleg (“great, mighty”) + gurth (“death”)
noun. great death (Melkor)
masculine name. Great Death
A Sindarin name for Q. Melkor, a modification of his proper name S. Belegûr “He who arises in Might” which the Grey Elves refused to use (SI/Melkor, PM/358). This name is a combination of beleg “great” and gurth “death”.
Word Gloss beleg “great, mighty; large, big, great, mighty; large, big, [ᴱN.] huge” gurth “death”