latticed shutters
A traditional architectural feature in Japanese and Chinese buildings; a type of hinged, latticed shutter often used on windows or doors.
The latticed shutters of old townhouses are raised during the day to let in the breeze.
Latticed shutters are also often seen in temple architecture.
The kanji 蔀 is obscure and primarily used in this compound; the exact derivation of the reading しとみど is uncertain, but it is a native Japanese word for this architectural element.