It was narrated from 'Abdullah bin 'Umar that he said:"Zaid bin Thabit told me that the Messenger of Allah (ﷺ) gave a concession regarding the sale of the estimated harvest of 'Araya return for dried dates." (Sahih) Yahya (one of the narrators) said: "The 'Araya is when a man purchases dates on the trees for food that his family has that is ripe, by estimating them (the dates)."
حَدَّثَنَا مُحَمَّدُ بْنُ رُمْحٍ، أَنْبَأَنَا اللَّيْثُ بْنُ سَعْدٍ، عَنْ يَحْيَى بْنِ سَعِيدٍ، عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، أَنَّهُ قَالَ حَدَّثَنِي زَيْدُ بْنُ ثَابِتٍ، أَنَّ رَسُولَ اللَّهِ ـ صلى الله عليه وسلم ـ أَرْخَصَ فِي بَيْعِ الْعَرِيَّةِ بِخَرْصِهَا تَمْرًا . قَالَ يَحْيَى الْعَرِيَّةُ أَنْ يَشْتَرِيَ الرَّجُلُ ثَمَرَ النَّخَلاَتِ بِطَعَامِ أَهْلِهِ رُطَبًا بِخَرْصِهَا تَمْرًا .
IbnMaja
The Chapters on Business Transactions • Hadith 2269