Lit: One-fifth. Tech: It has come to be known as one-fifth share of the state from the booty. In the early days of Islam, it used to be one of the major sources of public revenue.
Al-makilat
Al-mubadharah
Al-‘afaf
Al-kharis
Al-daliyah
Al-bai al-suri
Al-bai‘ al-najiz
Al-faraq
Al-ihraz
Al-’ajir al-khass