(7) باب تَعْفِيرِ الإِنَاءِ بِالتُّرَابِ مِنْ وُلُوغِ الْكَلْبِ فِيهِ
It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:
"If a dog licks the vessel of any one of you, let him wash it seven times, the first time with dust."
Reference: Sunan an-Nasa'i 338
In-book reference: Book 2, Hadith 14
English translation: Vol. 1, Book 2, Hadith 339