Nahj al-Balāgha

Hadith 2257
prophet-muhammadimam-aliahl-al-bayt
قال السيد الرضي: يُرِيدُ وَفَاةَ رَسُولِ اللَّهِ (صلى الله عليه وآله).
as-Sayyid ar-Raḍī says: Amīr al-mu’minīn, peace be upon him, is referring to the death of the Messenger of Allāh, peace be upon him and his descendants.
Source: al-Sharīf al-Raḍī