Supplant - (Webster's 1828 Dictionary)
SUPPLANT', v.t. [L. supplanto; sub and planta, the bottom of the foot.] To trip up the heels.
Supplanted down he fell.
1. To remove or displace by stratagem; or to displace and take the place of; as, a rival supplants another in the affections of his mistress, or in the favor of his prince.
Suspecting that the courtier had supplanted the friend.
2. To overthrow; to undermine.