Sunan Abi Dawud 82
سنن أبي داود#82SahihNarrated Hakam ibn Amr: The Prophet (ﷺ) forbade that the male should perform ablution with the water left over by the female
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 ZaiIsnaad Hasan
In-book reference: 1:82