definition for prequel
A prequel is a literary, dramatic, or filmic work whose story precedes that of a previous work, by focusing on events that occur before the original narrative. A prequel is a work that forms part of a backstory to the preceding work. All prequels are, by definition, essentially sequels in that they expand on a previous or preceding work. The term is a 20th-century neologism that is a portmanteau of the prefix pre- and sequel. Like other sequels, prequels may or may not concern the same p