Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
muslim:939e – Yaḥyá b. Ayyūb > Ibn ʿUlayyah > Ayyūb > Ḥafṣah > Um ʿAṭiyyah > Āghsilnahā Witr Thalāth or Khams or Sabʿ

We washed her an odd number of times, i. e. three, five or seven times; and Umm 'Atiyya (further) said: We braided her hair in three plaits.  

مسلم:٩٣٩e – وَحَدَّثَنَا يَحْيَى بْنُ أَيُّوبَ حَدَّثَنَا ابْنُ عُلَيَّةَ وَأَخْبَرَنَا أَيُّوبُ قَالَ وَقَالَتْ حَفْصَةُ عَنْ أُمِّ عَطِيَّةَ

قَالَتِ اغْسِلْنَهَا وِتْرًا ثَلاَثًا أَوْ خَمْسًا أَوْ سَبْعًا قَالَ وَقَالَتْ أُمُّ عَطِيَّةَ مَشَطْنَاهَا ثَلاَثَةَ قُرُونٍ