Istih
Istih refers to a specific method of Islamic divorce initiated by the wife. It is a form of khul, which is a divorce where the wife returns the dower or provides other compensation to the husband in exchange for his agreement to divorce her. The term "istih" specifically denotes the wife's action of seeking this divorce.
The Quran mentions the concept of khul in Surat Al-Baqarah (2:229), which states that if a wife
In practice, istih can be initiated through mutual agreement or, if the husband refuses, by appealing to