volet

Etymology
Borrowed from.

Noun

 * 1) A shutter on a window.
 * 2)  Either wing of a triptych.

Etymology
From.

Noun

 * 1) (window) shutter
 * 2)  flap
 * , wing (of a triptych)
 * 1)  section, part (of a trilogy, plan, etc.)
 * 2)  nenuphar
 * 1)  nenuphar

Etymology 1
From.

Etymology 2
From.