cross-dressing (n.)

word-forming element typically representing cross as a noun, adverb (cross-examine), adjective (crossbar), and in many words a confluence of them. "There is no distinct line of division between cross as an adjective and cross as a prefix. As a prefix, it often represents the adv. cross, or the prep. cross, across." [Century Dictionary]

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.