It was narrated from the Prophet ﷺ regarding His statement, "Your wives are a tilth for you, so come to your tilth as you wish" [Baqarah 2:223], that this means through one opening only.
حدثنا محمد بن بشار حدثنا عبد الرحمن بن مهدي حدثنا سفيان عن ابن خثيم عن ابن سابط عن حفصة بنت عبد الرحمن
عن النبي ﷺ في قوله {نساؤكم حرث لكم فأتوا حرثكم أنى شئتم} يعني صماما واحدا
[Sahih] Bukhari narrated it in the Book of Tafsir, chapter, "And when you divorce women and they reach the end of their term, do not prevent them from marrying their husbands," hadith 4529, from the hadith of Hasan Basri.