History:

Khatun is an Arabic term meaning 'lady' or 'queen'. It is a title of respect given to women of high rank or nobility. It is also used as a surname in some countries.
The title of Khatun was first used in the Middle East during the Abbasid Caliphate. It was used to refer to the wives of the Caliphs and other prominent women in the court. The title was later adopted by other Muslim dynasties, including the Mughals in India and the Ottomans in Turkey.

Description:

In many Middle Eastern and North African countries, the title Khatun is still used to refer to women of high rank or nobility. It is also used as a surname in some countries, such as Turkey and Iran.
In some Middle Eastern countries, the title of Khatun is given to women in recognition of their accomplishments or rank. In some cases, it is a hereditary title that is passed down from mother to daughter.
Khatun is also used as a surname in some countries. Variations of the name include Khatoon, Khatuny, Khatooni, and Khatuni.