The Shuttered Window is a window you can build (the Hearth kit).
In-game description
A white-framed window of four panes between green shutters. After dark it lights the ground outside.SHOWN IN THE BUILD RING
Building it
It costs 2 
Wood, 2 
Cotton Grass, 1 Water 1 Fire spirits. Take it down with DISMANTLE to get its cost back (see Building).
