הִנֵּה֙ כָּל־הַמֹּשֵׁ֔ל עָלַ֥יִךְ יִמְשֹׁ֖ל לֵאמֹ֑ר כְּאִמָּ֖ה בִּתָּֽהּ׃
무릇 속담하는 자가 네게 대하여 속담하기를 어미가 어떠하면 딸도 그렇다 하리라
Rashi
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”.