Jami` at-Tirmidhi 64
جامع الترمذي#64SahihA1-Hakim bin Amr AI-Ghifari narrated that:"The Prophet forbade that a man should perform Wudu with the leftover (water) from a woman's purifcation." Or, he said: "from her drinking
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan
Zubair Ali ZaiIsnaad Hasan
In-book reference: 1:64