Surah An-Nisa, Verse 15

وَٱلَّٰتِي يَأۡتِينَ ٱلۡفَٰحِشَةَ مِن نِّسَآئِكُمۡ فَٱسۡتَشۡهِدُواْ عَلَيۡهِنَّ أَرۡبَعَةٗ مِّنكُمۡۖ فَإِن شَهِدُواْ فَأَمۡسِكُوهُنَّ فِي ٱلۡبُيُوتِ حَتَّىٰ يَتَوَفَّىٰهُنَّ ٱلۡمَوۡتُ أَوۡ يَجۡعَلَ ٱللَّهُ لَهُنَّ سَبِيلٗا١٥

wa-allātī yatīna l-fāḥishata min nisāikum fa-is'tashhidū ʿalayhinna arbaʿatan minkum fa-in shahidū fa-amsikūhunna fī l-buyūti ḥattā yatawaffāhunna l-mawtu aw yajʿala l-lahu lahunna sabīlan

Those who commit immorality [i.e., unlawful sexual intercourse] of your women - bring against them four [witnesses] from among you. And if they testify, confine them [i.e., the guilty women] to houses until death takes them or Allāh ordains for them [another] way.