[ener.vate] adj (1603): lacking physical, mental, or moral vigor: enervated
[2]en.er.vate vt -vat.ed ; -vat.ing [L enervatus, pp. of enervare, fr. e- + nervus sinew--more at nerve] (1614) 1: to reduce the mental or moral vigor of
2: to lessen the vitality or strength of syn see unnerve -- en.er.va.tion n