TSK · Exodus 4:20

When she bore a son, Moses named him Gershom, for he said,“I have become a resident foreigner in a foreign land.”

You will also take in your hand this staff, with which you will do the signs.”

and her two sons, one of whom was named Gershom(for Moses had said,“I have been a foreigner in a foreign land”),

“Take the staff and assemble the community, you and Aaron your brother, and then speak to the rock before their eyes. It will pour forth its water, and you will bring water out of the rock for them, and so you will give the community and their beasts water to drink.”