Lit: Obsolescence; non-prevalence of a thing due to lack of general interest. Tech: Non-use of a currency by the general public or obsolescence of a currency due to hyperinflation.
Iqta al-tamlik
Ibra’
Shart
Habal al-habalah
Bai wa salaf
Qanun al-kharaj
Shirkah al-taqbil
Sukuk
Al-mal al-mutaqawwam
Al-ikhtiyar