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What is "Yaval"?
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Radak: It is from the root Balal. Fodder is called Belil - "Belil Chamitz Yochelu", "Yig'eh Shor Al Belilo" (Yeshayah 30:24, Iyov 6:5). It is called so because they are Bolel (mix) barley and oats, or one of them with straw.
