וַיֵּצֵ֛א חֲמ֥וֹר אֲבִֽי־שְׁכֶ֖ם אֶֽל־יַעֲקֹ֑ב לְדַבֵּ֖ר אִתּֽוֹ׃
און חַמוֹר דער פֿאָטער פֿון שכֶמען איז אַרױסגעקומען צו יעקבן, צו רעדן מיט אים.
Sforno
ויצא חמור, when he noticed that Yaakov’s reaction had been silence he began to worry about reprisals.
Tze'enah Ure'enah
“Shechem’s father Hamor came out to Jacob to speak to him” [34:6]. The Midrash writes. Hamor said to Jacob: you grandfather Abraham was a prince, and I am a prince. Give your daughter to a prince. Jacob responded: my grandfather Abraham was called, ox, as the verse says, “Abraham ran to the herd” [Genesis, 18:7]. This is an ox. You are called Hamor, which means donkey, and the verse says, “you shall not plow with an ox and a donkey together” [Deuteronomy, 22:10].75Tanhuma, Vayishlach, 7. This means, you should not plow with an ox and a donkey together.