הִנֵּה֙ כָּל־הַמֹּשֵׁ֔ל עָלַ֥יִךְ יִמְשֹׁ֖ל לֵאמֹ֑ר כְּאִמָּ֖ה בִּתָּֽהּ׃
看哪，凡說俗語的，必用這俗語來說你：『有其母，必有其女。』
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”.