[Machine] He heard Ibn Umar saying that the Messenger of Allah ﷺ prohibited the wine made from dates. So, I met Ibn Abbas and said to him, "Are you not amazed by Abu Abdullah (Ibn Umar) who claims that the Messenger of Allah ﷺ prohibited the wine made from dates?" Ibn Abbas said, "He is telling the truth." So I asked, "What is 'al-jarr'?" He said, "It is what is made from unripe dates."
أَنَّهُ سَمِعَ ابْنَ عُمَرَ يَقُولُ حَرَّمَ رَسُولُ اللهِ ﷺ نَبِيذَ الْجَرِّ قَالَ فَلَقِيتُ ابْنَ عَبَّاسٍ فَقُلْتُ أَلَا تَعْجَبُ مِنْ أَبِي عَبْدِ الرَّحْمَنِ يَزْعُمُ أَنَّ رَسُولَ اللهِ ﷺ حَرَّمَ نَبِيذَ الْجَرِّ فَقَالَ ابْنُ عَبَّاسٍ صَدَقَ فَقُلْتُ وَمَا الْجَرُّ؟ قَالَ مَا يُصْنَعُ مِنَ الْمَدَرِ