Surah Al-Waqi'ah 56:31
وَمَآءٍ مَّسْكُوبٍ
And water poured out
Translation: Saheeh International
Tafsir
and cascading water running continuously
Excerpt from Tafsir al-Jalalayn, commentary on 56:31, via Quran.com. The reader has the full commentary and 9 more tafsirs.