- amnesia (n.)
- "loss of memory," 1786 (as a Greek word in English from 1670s), Modern Latin, coined from Greek amnesia "forgetfulness," from a-, privative prefix, "not" (see a- (3)) + stem from mnasthai "to recall, remember," related to mnemnon "mindful," mneme "memory;" from PIE root *men- "to think, remember" (see mind (n.)).