spin-off
/ˈspɪn.ɔf/noun
High School
1
An offshoot.
2
An incidental benefit or unexpected pay-off.
3
A by-product.
4
A fictional work where the protagonist was introduced in a preceding work or at least shares the same setting, often in a different aspect.
5
The formation of a subsidiary company that continues the operations of part of the parent company; the company so formed.