legendarium

plural legendaria

1. A literary collection of legends, particularly those detailing the life of a saint.

   The same society [the Swedish Old-text Society] has begun a continuation of the Old-Swedish Legendarium (in 2 volumes), edited for the society by Professor Stephens.

   1866 February, George Stephens, “Scandinavian Book-Lore”, in Sylvanus Urban [pseudonym; Edward Cave], editor, The Gentleman's Magazine and Historical Review, volume I (new series; volume CCXX since the commencement), London: Bradbury, Evans, & Co., 11, Bouverie Street, page 183

   Synonyms: legendary

2. literatureThe collected high fantasy writings of J. R. R. Tolkien relating to the fictional realm of Middle-earth and the universe in which it is set.

   1 more example

   “In a hole in the ground there lived a hobbit.” So began the legendarium that dominated a genre, changed Western literature and the field of linguistics, created a tapestry of characters and mythology that endured four generations, built an anti-war ethos that endured a World War and a Cold War, and spawned a multibillion-dollar media franchise.

   2017 September 22, Vann R. Newkirk II, “Why 'The Hobbit' Isn't Outdated in the Age of 'Game of Thrones'”, in The Atlantic