A cubit devised by the second caliph, ‘Umar b. al-Khattab (13–23 AH), to measure lands of Sawad. It measured a cubit (prevalent) plus a grip of clasped hand and a thumb.
Al-sadaqah al-jariah
Al-nawah
Nisab
Bai‘ bi ’ilqa’ al-hajar
Al-baqarah al-muthirah
Ariyah
Al-’ard al-’adi
Musawamah Facility
Financial Murabahah
Back-to-back ’istisna‘