Sahih Muslim , Hadith 554 ⓘ
Abdullah b. Shakhkhir reported on the authority of his father that he said: I said prayer with the Messenger of Allah and saw him spitting and rubbing it off with his shoe.
حَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُعَاذٍ الْعَنْبَرِيُّ، حَدَّثَنَا أَبِي، حَدَّثَنَا كَهْمَسٌ، عَنْ يَزِيدَ بْنِ عَبْدِ اللَّهِ بْنِ الشِّخِّيرِ، عَنْ أَبِيهِ، قَالَ صَلَّيْتُ مَعَ رَسُولِ اللَّهِ صلى الله عليه وسلم فَرَأَيْتُهُ تَنَخَّعَ فَدَلَكَهَا بِنَعْلِهِ .
also referenced under: Book 5, Hadith 72 (In-Book) & Book 4, Hadith 1127 (USC-MSA)
'Abdullah b. Shakhkhir narrated it on the authority of his father that he said prayer with the Messenger of Allah, and he spat and then rubbed it off with his left shoe.
وَحَدَّثَنِي يَحْيَى بْنُ يَحْيَى، أَخْبَرَنَا يَزِيدُ بْنُ زُرَيْعٍ، عَنِ الْجُرَيْرِيِّ، عَنْ أَبِي الْعَلاَءِ، يَزِيدَ بْنِ عَبْدِ اللَّهِ بْنِ الشِّخِّيرِ عَنْ أَبِيهِ، أَنَّهُ صَلَّى مَعَ النَّبِيِّ صلى الله عليه وسلم قَالَ فَتَنَخَّعَ فَدَلَكَهَا بِنَعْلِهِ الْيُسْرَى .
also referenced under: Book 5, Hadith 73 (In-Book) & Book 4, Hadith 1128 (USC-MSA)