Latin nocēre "to injure, harm" + -i- + -ceptive (in receptive) — more at noxious
Note:
Term probably introduced by the British physiologist Charles Scott Sherrington (1857-1952) in several publications in 1904, as "Correlation of Reflexes and the Principle of the Common Path" (opening address to a meeting of the British Association, Section I, Physiology), Nature, vol. 70, no. 1819 (September 8, 1904), p. 463.