that the people were in doubt whether the Prophet ﷺ was fasting on the Day of ʿArafat or not, so a (wooden) drinking vessel full of milk was sent to him, and he drank it.
عَنْ أُمِّ الْفَضْلِ أَنَّهُمْ شَكُّوا فِي صَوْمِ النَّبِيِّ ﷺ يَوْمَ عَرَفَةَ فَبُعِثَ إِلَيْهِ بِقَدَحٍ مِنْ لَبَنٍ فَشَرِبَهُ
The people doubted whether the Prophet ﷺ was observing the fast on the Day of ʿArafat, so I sent something for him to drink and he drank it.
عَنْ أُمِّ الْفَضْلِ شَكَّ النَّاسُ يَوْمَ عَرَفَةَ فِي صَوْمِ النَّبِيِّ ﷺ فَبَعَثْتُ إِلَى النَّبِيِّ ﷺ بِشَرَابٍ فَشَرِبَهُ
[Machine] Mother of Al-Fadl informed him that they complained about the fasting of the Prophet ﷺ on the day of Arafah, so she sent him some milk and he drank it while he was delivering a sermon to the people at Arafah on his camel.
أَنَّ أُمَّ الْفَضْلِ أَخْبَرَتْهُ أَنَّهُمْ شَكُّوا فِي صَوْمِ النَّبِيِّ ﷺ يَوْمَ عَرَفَةَ فَأَرْسَلَتْ إِلَيْهِ بِلَبَنٍ فَشَرِبَ وَهُوَ يَخْطُبُ النَّاسَ بِعَرَفَةَ عَلَى بَعِيرِهِ
[Machine] Um Al-Fadl reported that they were fasting on the day of Arafah with the Messenger of Allah ﷺ . So, she sent him a cup with milk in it, and he drank it.
عَنْ أُمِّ الْفَضْلِ أَنَّهُمْ تَمَارَوْا فِي صَوْمِ رَسُولِ اللهُ ﷺ يَوْمَ عَرَفَةَ فَبَعَثَتْ إِلَيْهِ بِقَدَحٍ فِيهِ لَبَنٌ فَشَرِبَهُ