וּבְנֵ֨י יַעֲקֹ֜ב בָּ֤אוּ מִן־הַשָּׂדֶה֙ כְּשָׁמְעָ֔ם וַיִּֽתְעַצְּבוּ֙ הָֽאֲנָשִׁ֔ים וַיִּ֥חַר לָהֶ֖ם מְאֹ֑ד כִּֽי־נְבָלָ֞ה עָשָׂ֣ה בְיִשְׂרָאֵ֗ל לִשְׁכַּב֙ אֶת־בַּת־יַעֲקֹ֔ב וְכֵ֖ן לֹ֥א יֵעָשֶֽׂה׃
And the sons of Yaakov came from the field when they heard; and the men were grieved and they were very angry, because he had done a disgraceful thing in Yisrael by lying with the daughter of Yaakov, and such a thing ought not to be done.
Torah Temimah points to discussions of the term “nevalah.”
נבלה עשה בישראל — דבר מכוער.
“He had done a disgraceful thing in Yisrael” — an ugly matter.
The language emphasizes the moral outrage of the act.
Derash on the language of disgrace (continuation).
The act is characterized as a disgraceful and forbidden matter within Yisrael.