تفسير : (a provision for you) water of benefit to you (and for your cattle) water and pasture benefit your cattle.
Jalāl al-Dīn al-Maḥallī
تفسير : as a [source of] sustenance (an object denoting reason for an implied [verbal clause], in other words, fa‘ala dhālika mut‘atan or tamtī‘an, ‘he did this to provide [a source of] sustenance’) for you and your flocks (an‘ām is the plural of na‘am, which are camels, cows and sheep).