Tafsiran Kejadian 41:19: Rashi, Chizkuni, Da'at Zekenim & Sforno

וְהִנֵּ֞ה שֶֽׁבַע־פָּר֤וֹת אֲחֵרוֹת֙ עֹל֣וֹת אַחֲרֵיהֶ֔ן דַּלּ֨וֹת וְרָע֥וֹת תֹּ֛אַר מְאֹ֖ד וְרַקּ֣וֹת בָּשָׂ֑ר לֹֽא־רָאִ֧יתִי כָהֵ֛נָּה בְּכָל־אֶ֥רֶץ מִצְרַ֖יִם לָרֹֽעַ׃

Lalu tampak tujuh ekor sapi lain naik menyusul mereka, kurus, sangat buruk rupanya, dan tipis dagingnya; belum pernah aku melihat yang seburuk itu di seluruh negeri Mesir.

Rashi

דלות means LEAN, as (2 Samuel 13:4) “Why art thou thus becoming (דל) lean?” which occurs in the narrative of Amnon.
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Chizkuni

דלות ורעות תואר מאד ורקות בשר, “very thin, badly formed, and meatless;” in verse 20,27, both the cows and the stalks that were inferior are described as רקות, instead of as דקות. The reason that Pharaoh’s dream is spelled out twice was as compliment to Joseph.
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Da'at Zekenim

ורקות בשר, “of poor quality flesh.” The descriptions of these cows/ears of corn as either רקות or דקות are nuances of רעות, how poorly they appeared to Pharaoh in his dream. [Personally, I have always thought that by varying the adjectives applicable, Pharaoh wanted to test Joseph to see if he had really been shown his dream by G–d. Ed.]
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Rashi

ורקות בשר AND LEAN-FLESHED — wherever רקות is found in Scripture it means spare (literally, deficient) of flesh; old French flouet.
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