1. Purification

١۔ كتاب الطهارة

1.67 How Many Times Should (Parts Of The Body) Be Washed?

١۔٦٧ باب كَمْ تُغْسَلاَنِ

nasai:83Ḥumayd b. Masʿadah > Sufyān / Ibn Ḥabīb > Shuʿbah > al-Nuʿmān b. Sālim > Ibn Abū Aws from his father

"I saw the Messenger of Allah ﷺ trickle water into his hand until it started to drip from his hand, three times."  

النسائي:٨٣أَخْبَرَنَا حُمَيْدُ بْنُ مَسْعَدَةَ عَنْ سُفْيَانَ وَهُوَ ابْنُ حَبِيبٍ عَنْ شُعْبَةَ عَنِ النُّعْمَانِ بْنِ سَالِمٍ عَنِ ابْنِ أَبِي أَوْسٍ عَنْ جَدِّهِ قَالَ

رَأَيْتُ رَسُولَ اللَّهِ ﷺ اسْتَوْكَفَ ثَلاَثًا