Is it this

???
76:17 And they will be given to drink there of a Cup (of Wine) mixed with Zanjabil,-
وَيُسْقَوْنَ فِيهَا كَأْسًا كَانَ مِزَاجُهَا زَنجَبِيلًا
76:18 A fountain there, called Salsabil.
عَيْنًا فِيهَا تُسَمَّى سَلْسَبِيلًا
So it's called Salsabil?
..and is zanjabil ginger? ???