relegation

Concise Oxford English Dictionary © 2008 Oxford University Press:
relegate/ˈrelɪɡeɪt/

▶verb assign an inferior rank or position to.

■ Brit. transfer (a sports team) to a lower division of a league.

– derivatives
relegation noun.

– origin ME (in the sense ‘send into exile’): from L. relegat-, relegare ‘send away’.