أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " إِيَّاكُمْ وَالدُّخُولَ عَلَى النِّسَاءِ ". فَقَالَ رَجُلٌ مِنَ الأَنْصَارِ يَا رَسُولَ اللَّهِ أَفَرَأَيْتَ الْحَمْوَ قَالَ " الْحَمْوُ الْمَوْتُ ".
Uqba b. `Amir reported Allah's Messenger (ﷺ) as saying:Beware of getting, into the houses and meeting women (in seclusion). A person from the Ansar said: Allah's Messenger, what about husband's brother, whereupon he (ﷺ) said: Husband's brother is like death
Ibn Wahb reported:I heard Laith b. Said as saying: Al-Hamv means the brother of husband or like it from amongst the relatives of the husband, for example, cousin, etc