[1655–65; ‹ L dēlūbrum, appar. equiv. to dēlu(ere) to wash off (dē- de- + -luere, comb. form of lavere to wash) + -brum instrumental suffix]This word is first recorded in the period 1655–65. Other words that entered Englishat around the same time include: contour, flip-flop, intensity, mechanism, risk