فَرَاغَ إِلَىٰ أَهْلِهِ فَجَاءَ بِعِجْلٍ سَمِينٍ (26)
(51:26) Then he went back to his family *24 and brought a fat roasted calf *25
*24) That is, "He did not tell his guests that he was going to arrange food for them, but after they were seated he went quietly into the house to arrange a feast for them, so that the guests should not rofuse it out of formality. "
*25) In Surah Hud, the words are ijlin h_ anidh, a roasted calf; here bi-'ijlin samin: a fatted calf that he got roasted.