Merits of the Helpers in Madinah (Ansaar)
حَدَّثَنِي إِسْحَاقُ بْنُ إِبْرَاهِيمَ، قَالَ قُلْتُ لأَبِي أُسَامَةَ حَدَّثَكُمْ يَحْيَى بْنُ الْمُهَلَّبِ، حَدَّثَنَا حُصَيْنٌ، عَنْ عِكْرِمَةَ، {وَكَأْسًا دِهَاقًا} قَالَ مَلأَى مُتَتَابِعَةً.Narrated Husain:That `Ikrima said, "Kasan Dihaqa means glass full (of something) followed successively with other full glasses
From Sahih al-Bukhari, whose reports the scholars accept as authentic.