derivative-work

Noun
(plural derivative works)
Usage notes
Under United States copyright law, 17 U.S.C. § 101, a derivative work is defined to include "a work based upon one or more preexisting works, such as a translation, musical arrangement, dramatization, fictionalization, motion picture version, sound recording, art reproduction, abridgment, condensation, or any other form in which a work may be recast, transformed, or adapted" as well as a "work consisting of editorial revisions, annotations, elaborations, or other modifications which, as a whole, represent an original work of authorship".
derivative work - Legal Definition

n
In
copyright, a work that is based on another, in whole or part, in the same or
another medium, such as a sequel to a novel or a live musical based on a movie.
A derivative work cannot be published without the permission of the creator of
the original, or the permission of any successor to the creator’s rights.