Sunan an-Nasa'i, Volume 6, Book 51, Hadith 5546 (DarusSalam) ⓘ
It was narrated that Jabir - meaning bin 'Abdullah - said: "Unripe dates and dried dates are Khamr."
أَخْبَرَنَا سُوَيْدُ بْنُ نَصْرٍ، قَالَ أَنْبَأَنَا عَبْدُ اللَّهِ، عَنْ شُعْبَةَ، عَنْ مُحَارِبِ بْنِ دِثَارٍ، عَنْ جَابِرٍ، - يَعْنِي ابْنَ عَبْدِ اللَّهِ - قَالَ الْبُسْرُ وَالتَّمْرُ خَمْرٌ.
also referenced under: Hadith 5544 (Reference) & Book 51, Hadith 5 (In-Book)