Sunan Abi Dawud 872
سنن أبي داود#872Sahih‘Aishah said that the prophet (ﷺ) used to say when bowing and prostrating, “All-Glorious, All-Holy, Lord of the angels and spirit
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Muslim (487)
In-book reference: 2:482