dressing (n.)

mid-14c., "rule, control," verbal noun from dress (v.). In cookery, "sauce used in preparing a dish for the table," from c. 1500. Meaning "bandage applied to a wound or sore" is recorded from 1713. Dressing-gown "a loose and easy robe worn while applying make-up or doing the hair" is attested from 1777; dressing-room "room intended to be used for dressing" is from 1670s.