The chaperon began before 1200 as a hood with a short cape, put on by pulling over the head, or fastening at the front. … See more

Chaperon is a diminutive of chape, which derives, like the English cap, cape and cope, from the Late Latin cappa, which already could mean cap, cape or hood (OED).
The tail of the hood, often quite long, was called the ti… See more

About 1300 the chaperon began to be worn by putting the hole intended for the face over the top of the head instead; perhaps in hot weather. This left the cornette tail and the cape or patte, hanging loose from the top of the h… See more