1768, "to treat diabolically, abuse," from be- + verbal use of devil (q.v.). Meaning "to mischievously confuse" is from 1755; that of "to drive frantic" is from 1823. Related: Bedeviled (1570s in a literal sense, "possessed"); bedeviling.
bedchamber
bed-clothes
beddable
bedding
bedeck
bedevil
bedevilment
bedfast
bedfellow
bedight
bedim