c.1200, biwicchen, from be- + O.E. wiccian "to enchant, to practice witchcraft" (see witch). Literal at first, figurative sense of "to fascinate" is from 1520s. *Bewiccian may well have existed in O.E., but it is not attested. Related: Bewitching.
late 14c. in the literal sense, pp. adj. from bewitch; figurative use from 1570s.