Comentario citado sobre Génesis 27:38

ויחד, a word derived from the category חדה, similar to the word חדוה in Chronicles I 16,27 עוז וחדוה, “strength and joy.” The construction follows the rule applicable to all roots of the ב,ג,ד,כ,פ,ת group of consonants (letters which sometimes take a dagesh chazak). They also lose their last root letter as a result of this. (in our verse the letter ה) More examples are the root בכה and the construction ויבך, vayevk, “he cried.” Another well known example is the root שבה, and the construction וישב, vayashav, “he returned.”

“Your abode shall enjoy the fat of the earth” [27:39]. Your abode will be from the fatness. Toldot Yizhak asks a question. Why was Isaac so frightened that he could not bless Esau? Also, are there no more blessings in the world? He asks another question. Isaac first said: he has taken away your blessing. That is to say, there is nothing left. Afterwards, he said: “from the fatness of the land” should be your abode. Isaac did indeed find a blessing. The explanation is that Isaac was frightened because he had blessed Jacob that he should be a master over his brother. With that, Esau and his children would be servants to Jacob. Therefore, Isaac was frightened. I will not be able to give Esau a blessing like Jacob’s Therefore, Esau said: “bless me too, father” [27:38]. That is to say, bless me like Jacob was blessed. However, Isaac said: I blessed Jacob that he should be a lord over you. Therefore. I cannot give you a blessing like the one I gave him. Esau responded: I know well that I cannot have the blessing that you blessed Jacob with, because he is a lord over me. However, you blessed Jacob with another blessing, that he should have grain and wine. Give me some of the same blessing. Isaac blessed Esau, “your abode shall enjoy the fat of the earth” [27:39]. That is to say, I will also bless you with the blessing that I blessed Jacob. You should also have much grain and wine. Esau said: what does it help me if I will have much grain and wine, since I am a servant to Jacob and everything that the servant has belongs to his lord. Therefore, Esau asked that he should be a lord at times. Isaac responded: “by your sword shall you live” [27:40]. You have some rule with your sword that hangs by your side. Also “when you grow restive, you shall break his yoke” [27:40]. You shall rule over Jacob when they will not keep the Torah, then Esau has power over Jacob.⁷⁷Toldot Yizhak, Genesis, 27:33–40.