שׁבר sheber — “fragment, crumb, hence, grain.” בר bar — “pure,” “winnowed,” hence, “corn” (grain).

ש…

As they emptied their sacks. Here, again, it appears how greatly they had been alarmed on their journey, seeing that each had not at least…

And it came to pass, as they emptied their sacks
Both those in which were the corn they had bought, and those in whi…

This is the report Jacob's sons made to their father. It troubled the good man. Even the bundles of money Joseph returned to his father in kindness…