How Well Do You Know English Slang?
A book, episode, etc, that precedes an existing work in time •Not very precisely differentiated from flashback: what Hollywood calls a ''prequel,'' an adventure that takes place at the start of his career
[1973+; based on sequel]
a literary or dramatic work whose story precedes that of an earlier-written work. For example, Lillian Hellman's play Another Part of the Forest (1946) portrays the earlier lives of the characters she first wrote about in The Little Foxes (1939).