It is narrated from Sayyidah Safiyyah (may Allah be pleased with her) that she came to visit the Messenger of Allah (peace and blessings be upon him) while he (peace and blessings be upon him) was in i'tikaf in the mosque. Then the narrator narrated the rest of the hadith in full.
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 20563