Sahih Muslim , Book 4, Hadith 887 (USC-MSA) ⓘ
lbn Umar reported: I heard the Messeinger of Allah say: When your women seek your permission for going to the mosque, you grant them (permission).
حَدَّثَنَا ابْنُ نُمَيْرٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا حَنْظَلَةُ، قَالَ سَمِعْتُ سَالِمًا، يَقُولُ سَمِعْتُ ابْنَ عُمَرَ، يَقُولُ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَقُولُ " إِذَا اسْتَأْذَنَكُمْ نِسَاؤُكُمْ إِلَى الْمَسَاجِدِ فَأْذَنُوا لَهُنَّ " .
also referenced under: Book 4, Hadith 153 (In-Book) & Hadith 442 (Reference)