supplant (v.) Look up supplant at Dictionary.com
c.1300, "to trip up, overthrow, defeat, dispossess," from Old French supplanter "to trip up, overthrow," from Latin supplantare "trip up, overthrow," from sub "under" + planta "sole of the foot" (see plant (n.)). Meaning "replace one thing with another" first recorded 1670s. Interesting sense evolution parallel in Hebrew akabh "he beguiled," from akebh "heel."