The Book of Lost Tales, Part One (The History of Middle-Earth, #1)

by J.R.R. Tolkien

The original idea of ‘the primeval spirit Móru’ (p. 151) is made explicit in an entry in the early word-list of the Gnomish language, where the name Muru is defined as ‘a name of the Primeval Night personified as Gwerlum or Gungliont’.