48 Heb “the house of roundness,” suggesting that the prison might have been a fortress or citadel.
49 The story of Joseph is filled with cycles and repetition: He has two dreams (chap. 37), he interprets two dreams in prison (chap. 40) and the two dreams of Pharaoh (chap. 41), his brothers make two trips to see him (chaps. 42–43), and here, for the second time (see 37:24), he is imprisoned for no good reason, with only his coat being used as evidence. For further discussion see H. Jacobsen, “A Legal Note on Potiphar’s Wife,” 69 (1976): 177.

In other versions

And Joseph’s master took him and put him into the prison, the place where the king’s prisoners were confined, and he was there in prison.

Joseph’s master took him and put him in prison, the place where the king’s prisoners were confined.

But while Joseph was there in the prison,

and had him thrown into prison, where the king’s prisoners were confined. So Joseph was there in prison.

So he took Joseph and threw him into the prison where the king’s prisoners were held, and there he remained.

And Joseph’s master took him and put him into prison, the place that the king’s prisoners were confined. And he was there in prison.

And Joseph’s master took him, and put him into the prison, a place where the king’s prisoners were bound: and he was there in the prison.

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