حَدَّثَنَا سُفْيَانُ عَنْ لَيْثٍ عَنْ رَجُلٍ عَنِ ابْنِ عَبَّاسٍ أَنَّهُ قَالَ لَهَا إِنَّمَا سُمِّيتِ أُمَّ الْمُؤْمِنِينَ لِتَسْعَدِي وَإِنَّهُ لَاسْمُكِ قَبْلَ أَنْ تُولَدِي
مسند امام احمد بن حنبل · Hadith 1906
It was narrated from lbn 'Abbas that he said to her: You were called the Mother of the Believers so that you would be blessed, and that was your title before you were bom.
Sanad
حَدَّثَنَا سُفْيَانُ عَنْ لَيْثٍ عَنْ رَجُلٍ عَنِ ابْنِ عَبَّاسٍ