Maimonides' decree on menstrual purity. Dated 1487 Seleucid = 1175/76 CE. See Eve Krakowski, "Maimonides' Menstrual Reform in Egypt," JQR (2020), 245–89.
Build up, build up, clear the way! Remove a stumbling block from my people’s way.
We, the scholars living in Egypt at this time, say: When we were…