פּירוש אויף בראשית 34:1

בת לאה THE DAUGHTER OF LEAH — so Scripture calls her. Why not the daughter of Jacob? But just because she “went out” she is called Leah’s daughter, since she, too, was fond “of going out” (Genesis Rabbah 80:1), as it is said (30:16) “and Leah went out to meet him”. With an allusion to her they formulated the proverb: “Like mother, like daughter”.

And Dinah,, etc. to see in the daughters of the land. The expression, in the daughters of the land, needs to be understood; it should have said, "to see the daughters of the land." And that which appears [correct] is that, behold the Sages, may their memory be blessed, said (Midrash Tanchuma, Vayishlach 7:1), "Scripture associates her name with Leah. Leah’s daughter loved to go out just as her mother did. How do we know this about Leah? It is written: And Leah went out to meet him (Genesis 30:16), etc." And at first glance, this is a wonder! Did it not know their, may their memory be blessed, saying (Pesachim 3a) that Scripture did not even speak in disgrace of an impure animal? Why would Scripture write with the intention of showing the disgrace of that righteous woman [Leah]? All the more so, since it is known that she truly intended [it] for the sake of the Heavens, since she desired and strove to establish the tribes of God. And it is like their statement, may their memory be blessed (Bereishit Rabbah 72:5).

THE DAUGHTER OF LEAH, WHOM SHE HAD BORNE UNTO JACOB. The reason [Scripture specifies the daughter of Leah] is to state that she was the sister of Simeon and Levi, who were envious for her sake and avenged her cause. And Scripture mentions further, whom she had borne unto Jacob, in order to allude to the fact that all the brothers were envious for her.