TECHNOLOGY

al – jabr = algebra  –  al-jabr, completing, or restoring broken parts

algorithm, algorism الخوارزمي al-khwārizmī,

awār, a defect, or anything defective or damaged, including partially spoiled merchandise; and عواري ʿawārī (also عوارة ʿawāra) = “of or relating to ʿawār, a state of partial damage” [ average = awara ]

cipher, decipher صفر sifr, zero, i.e. the zero digit in the Arabic number system