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.
muslim:242aʿAbd al-Raḥman b. Salāam al-Jumaḥī > al-Rabīʿ / Ibn Muslim > Muḥammad / Ibn Ziyād > Abū Hurayrah

Allah's Apostle ﷺ saw a man who did not wash his heel and he remarked: Woe to the heels because of hell-fire.  

مسلم:٢٤٢aحَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ سَلاَّمٍ الْجُمَحِيُّ حَدَّثَنَا الرَّبِيعُ يَعْنِي ابْنَ مُسْلِمٍ عَنْ مُحَمَّدٍ وَهُوَ ابْنُ زِيَادٍ عَنْ أَبِي هُرَيْرَةَ

أَنَّ النَّبِيَّ ﷺ رَأَى رَجُلاً لَمْ يَغْسِلْ عَقِبَيْهِ فَقَالَ وَيْلٌ لِلأَعْقَابِ مِنَ النَّارِ  


See similar narrations below:

Collected by Abū Dāwūd, Ṭabarānī
abudawud:97Musaddad > Yaḥyá > Sufyān > Manṣūr > Hilāl b. Yisāf > Abū Yaḥyá > ʿAbdullāh b. ʿAmr

The Messenger of Allah ﷺ saw some people (performing ablution) while their heels were dry. He then said : Woe to the heels because of Hell. Perform the ablution in full.  

أبو داود:٩٧حَدَّثَنَا مُسَدَّدٌ حَدَّثَنَا يَحْيَى عَنْ سُفْيَانَ حَدَّثَنَا مَنْصُورٌ عَنْ هِلاَلِ بْنِ يِسَافٍ عَنْ أَبِي يَحْيَى عَنْ عَبْدِ اللَّهِ بْنِ عَمْرٍو

أَنَّ رَسُولَ اللَّهِ ﷺ رَأَى قَوْمًا وَأَعْقَابُهُمْ تَلُوحُ فَقَالَ وَيْلٌ لِلأَعْقَابِ مِنَ النَّارِ أَسْبِغُوا الْوُضُوءَ  

tabarani:8110ʿAlī b. ʿAbd al-ʿAzīz > ʿAmr b. ʿAwn al-Wāsiṭī > Layth > Khālid > ʿAbd al-Raḥman b. Sābiṭ > Abū Umāmah

The Messenger of Allah ﷺ said: Woe to the heels because of hell-fire. (Using translation from Muslim 242c)  

الطبراني:٨١١٠حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ الْعَزِيزِ ثنا عَمْرُو بْنُ عَوْنٍ الْوَاسِطِيُّ ثنا لَيْثٌ عَنْ خَالِدٍ عَنْ عَبْدِ الرَّحْمَنِ بْنِ سَابِطٍ عَنْ أَبِي أُمَامَةَ

أَنَّ رَسُولَ اللهِ ﷺ قَالَ «وَيْلٌ لِلْأَعْقَابِ مِنَ النَّارِ»  

tabarani:18021ʿAbdullāh b. Wuhayb al-Ghazzī > Muḥammad b. Abū al-Sarī > Mubashhir b. Ismāʿīl > al-Awzāʿī > Yaḥyá b. Abū Kathīr > Abū Kathīr > Abū Salamah > Muʿayqīb

The Prophet said: "Woe to the heels because of Hell-fire." (Using translation from Ibn Mājah 453)  

الطبراني:١٨٠٢١حَدَّثَنَا عَبْدُ اللهِ بْنُ وُهَيْبٍ الْغَزِّيُّ ثنا مُحَمَّدُ بْنُ أَبِي السَّرِيِّ ثنا مُبَشِّرُ بْنُ إِسْمَاعِيلَ عَنِ الْأَوْزَاعِيِّ عَنْ يَحْيَى بْنِ أَبِي كَثِيرٍ عَنْ أَبِي كَثِيرٍ عَنْ أَبِي سَلَمَةَ عَنْ مُعَيْقِيبٍ

أَنَّ النَّبِيَّ ﷺ قَالَ «وَيْلٌ لِلْأَعْقَابِ مِنَ النَّارِ»