What was the Ottoman Turkish term for a sultan's decree?

The Ottoman Turkish term for a sultan’s decree was a firman. Derived from the Persian word farmān, meaning “command” or “order,” firman entered Ottoman administrative and diplomatic vocabulary as a term for an authoritative royal mandate.

A firman could address many subjects, including appointments, tax privileges, commercial rights, religious matters, land grants, and instructions to provincial officials. The document normally carried the sultan’s tughra, an elaborate calligraphic emblem that functioned as a sign of imperial authority and authentication.

The visual design of a firman could communicate its importance. Particularly significant documents often had carefully arranged calligraphy and generous blank space near the top. Firmans were prepared through the Ottoman bureaucracy, but they represented the authority of the sultan and were expected to be obeyed throughout the empire.

The alternatives describe related but narrower forms of Ottoman documentation. A berat generally granted an appointment, privilege, or exemption. An irade referred to the sultan’s will or ordinance, especially in later administrative practice. A hatt-ı hümayun was specifically a handwritten note or order composed personally by the sultan, rather than the general term for every imperial decree.