Her mistress sent her with a dish of harisah to Ayesha . She found Ayesha praying, and Ayesha gestured to her to set it down. A cat came and ate from it. When Ayesha finished her prayer, she ate from the very spot where the cat had eaten. She said, "The Messenger of Allah ﷺ said, 'It is not impure. It is one of those that go around among you.' And I have seen the Messenger of Allah ﷺ perform ablution with the water left over by a cat."
حدثنا عبد الله بن مسلمة حدثنا عبد العزيز
أن مولاتها أرسلتها بهريسة إلى عائشة رضي الله عنها فوجدتها تصلي فأشارت إلي أن ضعيها فجاءت هرة فأكلت منها فلما انصرفت أكلت من حيث أكلت الهرة فقالت إن رسول الله ﷺ قال إنها ليست بنجس إنما هي من الطوافين عليكم وقد رأيت رسول الله ﷺ يتوضأ بفضلها
No references are available.
Sourcing, its isnad is daif. Daraqutni reported it, 1/69, hadith 214, from the hadith of Abdul-Aziz bin Muhammad Darawardi, with this wording. The mother of Dawud bin Salih, I found no one who authenticated her, "and she is not known among the scholars" (Mushkil Athar, 3/270), and Ibn Turkmani said, "She is unknown."