(39) باب الْوُضُوءِ بِفَضْلِ وَضُوءِ الْمَرْأَةِ
Narrated Ibn 'Umar:
The males and females during the time of the Apostle of Allaah ( sal Allahu alayhi wa sallam ) used to perform the ablution from one vessel together.The wordings "from one vessel" occur in the version of Musaddad.
Reference: Sunan Abi Dawud 79
In-book reference: Book 1, Hadith 79
English translation: Book 1, Hadith 79