Deracinate

deracinate \dee-RAS-uh-nayt\, transitive verb:
1. To pluck up by the roots; to uproot.
2. To displace from one's native or accustomed environment.

In the People's Republic, communism's utilitarian bent first poisoned the culinary arts and then, in the Cultural Revolution of the 1960s, tried to deracinate what were regarded as the insidious strains of China's former culture.
-- Benjamin and Christina Schwarz, "Going All Out for Chinese", The Atlantic, January 1999