Surah Al-Insan 76:18

عَيْنًا فِيهَا تُسَمَّىٰ سَلْسَبِيلًا

[From] a fountain within it [i.e., Paradise] named Salsabeel.

Translation: Saheeh International

Tafsir

a spring ‘aynan substitutes for zanjabīlan ‘ginger’ therein named Salsabīl meaning that its water is like ginger which the Arabs find very tasteful and which is very palatable for the throat.

Excerpt from Tafsir al-Jalalayn, commentary on 76:18, via Quran.com. The reader has the full commentary and 9 more tafsirs.