The araya transaction is when a man gifts another man some palm trees, but it becomes burdensome for the recipient to tend to them, so he sells them back for an estimated equivalent in dates.
حدثنا هناد بن السري عن عبدة
العرايا أن يهب الرجل للرجل النخلات فيشق عليه أن يقوم عليها فيبيعها بمثل خرصها
No references are available.
Its isnad is sahih. Bayhaqi (5/310) also narrated it from the hadith of Abu Dawud, through the same route.