in chess, the sacrifice of a piece with a view to gaining a strategic advantage (almost always used figuratively)
The police allowed the goonda to escape from custody, but this was a gambit: they knew that he would go directly to his partners in crime, and they planned to follow him.
gamba (leg) (Latin)
gambit - remember GAMBIR who is the OPENING batsman. gambit is opening in chess GAMBIT > In a GAMe you have to GAMBle a BIT to win!