A pre-Islamic practice whereby the tribesmen imposed levies on caravan trade passing through their areas.
Mubah ‘umumi
Al-’ard al-’adi
Al-muhtasib
Al-mujamalah
Al-qintar
Al-shirkah al-mutanaqisah
Al-khumus
Al-mal al-khas
Al-ju‘l
Al-tanajush