Commentary for Genesis 42:21

אבל VERILY — It is to be understood as the Targum renders it: בקושטא “in truth”. I have seen a statement in (Genesis Rabbah 91:8) that in the Roman (Latin) language אבל means ברם (verum) truly, indeed.

IN THAT WE SAW THE DISTRESS OF HIS SOUL, WHEN HE IMPLORED US. It is obvious that the brothers now considered their display of cruelty towards Joseph as deserving of a greater punishment than the sale itself since it was their blood-brother who was imploring and prostrating himself before them and they remained unmoved. Scripture, however, did not relate there [that Joseph implored them at the time of the sale], either because it is naturally understood that a person would implore his brothers when falling into their grip when their intention is to harm him, swearing by the life of his father, and doing all that is possible to save himself from death. It may be the desire of Scripture to speak only briefly of their sin, or it is possible that it is characteristic of Scripture to speak briefly about a matter in one place, and to elaborate on it in another place.
Now Reuben answered them by saying: “Now I already told you at the time that the event took place that you should not sin against him for he is only a lad, and only on account of his youth did he sin against you, and it is therefore fitting for you to gloss over the sins of his youth. And now, his blood also,¹⁵²Verse 22 here. together with the display of cruelty which you mention, is required.” Perhaps the explanation of the phrase, his blood also, may be: “Even though you have not killed him, G-d will require his blood of you, and it will be accounted to you as if you spilled his blood since he was sold as a permanent slave, for it is possible that being a darling child,¹⁵³Jeremiah 31:19. unused to work, he died.”
Our Rabbis have expounded¹⁵⁴Bereshith Rabbah 91:10. “The expression, ‘Also’ his blood, implies his blood and the blood of his aged father.”

הצרה הזאת, tit for tat. We threw Joseph into a pit, now we have been thrown into jail.