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Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
bukhari:147 – Zakariyyāʾ > Abū Usāmah > Hishām b. ʿUrwah from his father > ʿĀʾishah

The Prophet ﷺ said to his wives, "You are allowed to go out to answer the call of nature. "  

البخاري:١٤٧ – حَدَّثَنَا زَكَرِيَّاءُ قَالَ حَدَّثَنَا أَبُو أُسَامَةَ عَنْ هِشَامِ بْنِ عُرْوَةَ عَنْ أَبِيهِ عَنْ عَائِشَةَ

عَنِ النَّبِيِّ ﷺ قَالَ قَدْ أُذِنَ أَنْ تَخْرُجْنَ فِي حَاجَتِكُنَّ قَالَ هِشَامٌ يَعْنِي الْبَرَازَ