Komentarz do Rodzaju 49:23

וימררהו ורבו AND THEY EMBITTERED HIM — His brothers dealt bitterly with him; Potiphar and his wife dealt bitterly with him, putting him into the dungeon. וימררהו is the same metaphor as וימררו 'וגו in (Exodus 1:14) “They made their lives bitter (וימררו )” (Genesis Rabbah 98:19).

וימררוהו ורבו, they threw him into jail,

49,23. וישטמוהו בעלי חצים, The expression בעלי חצים means: “the slanderers.” The word חץ, usually meaning “arrow,” is used as a simile for slander in Jeremiah 9,7חץ שחוט לשונם, “their tongues are like a sharp arrow.” One of these slanderers was the chief of the cup bearers when he referred to Joseph as נער עברי עבד, three words which are each a derogatory term. (41,12). Also some of Pharaoh’s servants are included in the list of those who slandered Joseph. They are reported as commenting with disdain that “Pharaoh has appointed a slave who had been sold for 20 pieces of silver as our ruler.” (Sotah 36).