Hadith 15:314
Muhammad ibn Abi ‘Adi narrated to us, from Ibn ‘Awn, who said: Muhammad [ibn Sirin] was asked about the *fadikh* (a type of drink) made from *busr* (unripe dates) alone. He said: "I do not know what it is."
حدثنا محمد بن [ أبي ] عدي عن بن عون قال سئل محمد عن فضيخ البسر وحده فقال لا أدري ما هو