Sad 38:42

ٱرْكُضْ بِرِجْلِكَ ۖ هَـٰذَا مُغْتَسَلٌۢ بَارِدٌ وَشَرَابٌ

Ur'kuḍ birij'lika hādhā mugh'tasalun bāridun washarābun

[So he was told], "Strike [the ground] with your foot; this is a [spring for a] cool bath and drink."