ETYM Perh. from French coiffe headdress, hood, or coif; as if the cuff were a cap for the hand. Related to Coif.
The turned-back hem encircling the end of the sleeve or leg; SYN. turnup.

ETYM Old Eng. sleeve, sleve, as. slîfe, slîfe.
1. Small case into which an object fits.
2. The part of a garment that is attached at armhole and covers the arm; SYN. arm.
3. Flexible tunnel that takes passengers directly from the terminal to the airplane and vice-versa

Part of a sleeve covering the wrist. SYN. wrist-band