Sunan an-Nasa'i 3412
سنن النسائي#3412SahihIt was narrated from 'Aishah that a man divorced his wife three times and she married another husband who divorced her, before having intercourse with her. The Messenger of Allah was asked:"Is she permissible for the first (husband to remarry her)?" He said: "No, not until he tastes her sweetness as the first tasted her sweetness
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 27:24