(48) باب التَّسْمِيَةِ عَلَى الْوُضُوءِ
Narrated AbuHurayrah:
The Messenger of Allah (ﷺ) said: The prayer of a person who does not perform ablution is not valid, and the ablution of a person who does not mention the name of Allah (in the beginning) is not valid. (JA)
Reference (JA): Sunan Abi Dawud 101 (JA)
In-book reference (JA): Book 1, Hadith 101 (JA)
English translation (JA): Book 1, Hadith 101 (JA)