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

ש…

He turned ... and wept. —There was no bitterness in Joseph’s heart, and at their first word of regret he melted. But lest…

And he turned himself about from them, and wept
Hearing his brethren confess their sin and guilt to one another in s…

The function of conscience is to bring to mind things long ago said and done. When the guilt of this sin of Joseph's brothers was fresh, they treat…