Sunan Abi Dawud 33
سنن أبي داود#33Da'ifNarrated Aisha, Ummul Mu'minin: The Prophet (ﷺ) used his right hand for getting water for ablution and taking food, and his left hand for his evacuation and for anything repugnant
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Zubair Ali ZaiDaif
In-book reference: 1:33