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anaesthesia (n.)[anaesthesia 词源字典]: 1721, "loss of feeling," Modern Latin, from Greek anaisthesia "want of feeling, lack of sensation (to pleasure or pain)," from an- "without" (see an- (1)) + aisthesis "feeling," from PIE root *au- "to perceive" (see audience). As "a procedure for the prevention of pain in surgical operations," from 1846.[anaesthesia etymology, anaesthesia origin, 英语词源]
anesthesia (n.): alternative spelling of anaesthesia (q.v.). See ae.
kinesthesia (n.): also kinaesthesia, 1888, Modern Latin compound of Greek kinein "to set in motion; to move" (see cite) + aisthesis "perception" (see anaesthesia).
paraesthesia (n.): also paresthesia, 1835, from para- (here "disordered") + Greek aisthesis "perception" (see anaesthesia) + abstract noun ending -ia.
synaesthesia (n.): also synesthesia, "sensation in one part of the body produced by stimulus in another," 1881, in some cases via French, from Modern Latin, from Greek syn- "together" (see syn-) + aisthe "to feel, perceive," related to aisthesis "feeling," from PIE root *au- "to perceive" (see audience) + abstract noun ending -ia. Also psychologically, of the senses (colors that seem to the perceiver to having odor, etc.), from 1891. Related: Synaesthetic (adj.).
allaesthesia: "A condition in which a sensation is referred to a location other than that to which the sensory stimulus was applied or presented, often to the same place on the opposite side of the body", Late 19th cent.; earliest use found in George Gould (1848–1922). From allo- + -aesthesia, after French allesthésie.