Divorce
Ṣaḥīḥ al-Bukhārī 5336
إِنَّمَا هِيَ أَرْبَعَةُ أَشْهُرٍ وَعَشْرٌ، وَقَدْ كَانَتْ إِحْدَاكُنَّ فِي الْجَاهِلِيَّةِ تَرْمِي بِالْبَعَرَةِ عَلَى رَأْسِ الْحَوْلِ
innamā hiya arbaʿah ashhurin waʿashrun, waqad kānat iḥdākunna fī al-jāhiliyyah tarmī bi-l-baʿarah ʿalā raʾsi al-ḥawli
Transliteration generated from the Arabic vowel marks
The full narration
Zainab further said:"I heard my mother, Um Salama saying that a woman came to Allah's Messenger (ﷺ) and said, "O Allah's Messenger (ﷺ)! The husband of my daughter has died and she is suffering from an eye disease, can she apply kohl to her eye?" Allah's Messenger (ﷺ) replied, "No," twice or thrice. (Every time she repeated her question) he said, "No." Then Allah's Messenger (ﷺ) added, "It is just a matter of four months and ten days. In the Pre-Islamic Period of ignorance a widow among you should throw a globe of dung when one year has elapsed
Source
Ṣaḥīḥ al-Bukhārī · 5336