וַיּוֹצִ֣א נוֹזְלִ֣ים מִסָּ֑לַע וַיּ֖וֹרֶד כַּנְּהָר֣וֹת מָֽיִם׃
און ער האָט אַרױסגעצױגן פֿלוסן פֿון פֿעלדז, און געמאַכט נידערן װאַסער װי שטראָמען.
Rashi
and brought down water like rivers [Water] that was flowing from the well. The princes would make a line with their staffs and the water would be drawn after them to the encampment of each tribe, as the matter that is stated (Num. 21:18): “by the order of the lawgiver, with their staffs,” as is explained in tractate Makkoth.