offshoot

Noun

1. Something which shoots off or separates from a main stem or branch of a plant.
   • the offshoots of a tree
2. Something which develops from something else.
   • an offshoot of a criminal organization
   • The reason is that the Berks & Hants Railway Company, under the powers of which the line was built, also included the Reading-Basingstoke section. The company was an offshoot of the G.W.R., which absorbed it before any...