وَفَجَّرْنَا الْأَرْضَ عُيُونًا فَالْتَقَى الْمَاءُ عَلَى أَمْرٍ قَدْ قُدِرَ
and We made the earth burst forth with springs, and the waters met for a preordained purpose.
Agha Ali Puya Commentary
Commentary on Quran 54:12
[Pooya/Ali Commentary 54:12] (see commentary for verse 9)