Jalousie n. : A Venetian or slatted inside window blind.

Example:
Can aluminum Jalousie windows be painted?

Taxonomy
jalousie window, Jalousie windows, louvers, patent, free encyclopedia, glass, 20th-century, wooden louvers, panes, louvered window, search, storm door, warm climates, open and shut, unison, airflow, crank mechanism, Joseph.

Defination from the web:
jalousie window (pronounced /ˈdʒæləˌsi/) is a window which consists of parallel glass, acrylic, or wooden louvers set in a frame. ... Jalousie windows are best-suited for porches that are not climate-controlled and are located in mild-winter climates, and thus were very common ...