(22) باب فِي كَرَاهِيَةِ الْبُزَاقِ فِي الْمَسْجِدِ
Anas b. Malik reported the Prophet(ﷺ) as saying:
Spitting in the mosque is a sin and it is expiated by burying the spittle. (ID)
Reference (ID): Sunan Abi Dawud 474 (ID)
In-book reference (ID): Book 2, Hadith 84 (ID)
English translation (ID): Book 2, Hadith 474 (ID)