It wasnarrated from Abu Hurairah that the Prophet (ﷺ) said toFatimah, orto Umm Salamah:
"Let your hem down one forearm's length." (JA)
English reference (JA): Vol. 4, Book 32, Hadith 3582 (JA)
Arabic reference (JA): Book 32, Hadith 3713 (JA)