Etymology
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innervate (v.)

"stimulate through the nerves," 1870, a back-formation from innervation "sending of a stimulus through the nerves" (1828), which is perhaps modeled on French innervation; see in- (2) "in" + nerve (n.) + -ate. Related: Innervated. Earlier in English the same word (but from the other in-) meant "to lose feeling or sensation" (1848), and, as an adjective, "without feeling" (1737). Innervation in psychology is from 1880, translated from German Innervationsgefühl.

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Definitions of innervate

innervate (v.)
supply nerves to (some organ or body part);
innervate (v.)
stimulate to action;
innervate a muscle or a nerve
From wordnet.princeton.edu