(13) باب النَّهْىِ عَنِ الْبُصَاقِ، فِي الْمَسْجِدِ فِي الصَّلاَةِ وَغَيْرِهَا
Abu Sa'id al-Khudri reported:
The Apostle of Allah (ﷺ) saw sputum sticking to the Qibla of the mosque. He scratched it off with a pebble and then forbade spitting on the right side or in front, but (it is permissible) to spit on the left side or under the left foot. (ES)
Reference (ES): Sahih Muslim 548 a (ES)
In-book reference (ES): Book 5, Hadith 63 (ES)
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 1118 (ES)