The Nuttall Encyclopedia
In India the part of a house reserved for the women among Hindu families of good caste, and to which only since 1860 Christian women missionaries have been admitted, and a freer intercourse established.
Wood, James, ed. Entry for 'Zenana'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/z/zenana.html. Frederick Warne & Co Ltd. London. 1900.