British Dictionary definitions for synaesthesia
Word Origin for synaesthesia
Word Origin and History for synaesthesia
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-) + stem aisthe "to feel, perceive." Also psychologically, of the senses (colors having an odor, etc.), from 1891.