changeableсуществительное Rare/archaic: chiefly in plural 'changeables' meaning spare clothes; also mass noun for iridescent silk fabric.
Определения
(usually plural) Spare clothes brought along to be changed into. Before leaving the camp, the counselor reminded the children to pack their changeables.
(archaic) A kind of silk fabric that appears to change color in different lights; an iridescent cloth. Her gown was fashioned from a delicate changeable that glinted purple and gold under the chandeliers.