his businesse] That is, the businesse that belonged to his office, and that being private (for privacie afforded her a fit opportunitie to tempt) it is like it was ordering the accounts, and reckonings of his charge.
none—there within] It is like Potiphar was abroad at some feast, or some publique occasion, and had most of his servants with him; his wife making her selfe an occasion to stay at home with a few of her family, whereof Joseph was one.