/dɪˈrɪvətɪv wɜrk/ – Phrase
Definition: Tác phẩm mới được tạo ra dựa trên tác phẩm gốc đã tồn tại.
A more thorough explanation: based on an existing work, as in a translation or dramatization of a work
Example: The author claimed that his copyright was violated, because the screenplay was a derivative work based on his novel.