EXTRA · Parashas Vayeishev · Passuk 39:4 · not a Torah Temimah citation on this passuk
he took a liking to Joseph. He made him his personal attendant and put him in charge of his household, placing in his hands all that he owned.
Classical source (EXTRA side-ring): Bereshis Rabbah 86:4.
Sefaria — Bereshis Rabbah 86:4
English: “And Yosef found favor in his eyes” — in the merit of his fathers.
Derash on the verse (Bereshis Rabbah) — not a formal named middah of the 13. Favor is grounded in zechus avos.
Yosef’s rise in Potiphar’s house rests on the merit of the Avos as well as his own conduct.