(27) باب حُكْمِ وُلُوغِ الْكَلْبِ
Hammam b. Munabbih reported:
Of the a hadith narrated by Abu Huraira from Muhammad, the Messenger of Allah (ﷺ), one is this: The Messenger of Allah (ﷺ) said: The purification of the utensil belonging to one amongst you, after it is licked by a dog, lies in washing it seven times.
Reference: Sahih Muslim 279e
In-book reference: Book 2, Hadith 118
USC-MSA web (English) reference(deprecated numbering scheme): Book 2, Hadith 550