Genesis 39:5

5 And the Lord blessed the Egyptian's house for Joseph, and multiplied all his chattel, as well in houses, as in fields; (And the Lord blessed the Egyptian's household for Joseph's sake, and multiplied his possessions, yea, all that he had in his house, and all that he had in his fields;)

Genesis 39:5 Meaning and Commentary

Genesis 39:5

And it came to pass from the time that he had made him overseer
in his house, and over all that he had
How long he was in this office is not certain; there must be some time for the following observation; and during all the time he was in it, it was easily discerned, that the Lord blessed the Egyptian's house for Joseph's sake;
that is, much more than before; everything under his hands succeeded before, but now much more abundantly; Potiphar's family was blessed with health, his substance increased, he grew rich and wealthy, and abounded with all good things: and the blessing of the Lord was upon all that he had in the house,
and in the field;
his domestic affairs prospered, his fields brought forth plentifully, his cattle were fruitful and stood well; every thing belonging to him within doors and without happily succeeded, through the blessing of God upon it, and all for Joseph's sake.

Genesis 39:5 In-Context

3 which knew full well that the Lord was with Joseph, and that all things which he did, were (ad)dressed of the Lord in his hand. (who knew full well that the Lord was with Joseph, and that all the things which he did were directed by the hand of the Lord.)

4 And Joseph found grace before his lord, and he served him, of whom Joseph was made sovereign of all things (who made Joseph the ruler over all his things), and he governed the house betaken to him, and all (the) things that were betaken to him.

5 And the Lord blessed the Egyptian's house for Joseph, and multiplied all his chattel, as well in houses, as in fields; (And the Lord blessed the Egyptian's household for Joseph's sake, and multiplied his possessions, yea, all that he had in his house, and all that he had in his fields;)

6 neither he knew any other thing, but [the] bread which he ate. Forsooth Joseph was fair in face, and shapely in sight.

7 And so after many days the lady (of his lord) cast her eyes into Joseph, and said, Sleep thou with me; (And so after many days the lady of his lord cast her eyes upon Joseph, and said, Lie thou with me;)