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-akl bi l-batil
Al-wadi‘ah bil ‘ajr
Al-waqf al-’ahli
Al-dhira al-Yusufiyah
Al-dinar al-fiddi
Al-bai‘ al-mun‘aqad
Al-kafalah bil darak
Al-tajir al-muqim
Al-’ajir al-mushtarak
Al-‘amil al-fai’
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