Noah Webster
Enervate
ENERV'ATE, adjective [infra.] Weakened; weak; without strength or force.
1. To deprive of nerve, force or strength; to weaken; to render feeble. Idleness and voluptuous indulgences enervate the body. Vices and luxury enervate the strength of state.
2. To cut the nerves; as, to enervate a horse.