Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) narrates: Whenever the Prophet (peace and blessings be upon him) gave something to drink, he would say: "Begin with the elder" (the narrator is in doubt; perhaps the words are:) "Begin with the elders."
Imam Abu Ya'la and Imam al-Tabarani (in al-Mu'jam al-Awsat) recorded this narration. The narrators of Imam Abu Ya'la are the narrators of the Sahih.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الأشربة / 8263
Hadith Gradingمحدثین:إسنادہ صحیح
Hadith Takhrij«اخرجه ابو يعلى فى المسند (2425) ، أخرجه المعجم الأوسط للطبراني برقم: 3798»