The Hebrew noun amtachath refers to a large sack or traveling bag, particularly used to carry grain. It appears exclusively in the Joseph narrative (Genesis 42–44), where the story pivots on the discovery of silver hidden in the brothers' sacks — first by accident, then by Joseph's plan with his special cup.
The discovery of silver in the sacks produced terror in Joseph's brothers — they knew guilt had a way of finding them. The cup placed in Benjamin's sack was a test of whether the brothers had changed. This narrative arc — guilt, discovery, testing, and reconciliation — mirrors the gospel story. Joseph's plan, though initially frightening, was always aimed at restoration, just as God's providential orchestration works toward reconciliation.