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

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Joseph’s ten brothers. — Either their cattle and households had already been greatly reduced by the deaths caused by the famine, o…

And Joseph's ten brethren went down to buy corn in Egypt .
] They obeyed their father's orders, and immediately set …

Jacob saw the grain his neighbors had bought in Egypt and brought home. It is a spur to exertion to see others supplied.