"سهل" بالانجليزي adj. At Ease!, easy, simple, a piece of cake, get at able, soft, plain, flat, even, slick adv. quite simple n. flat, plainsman, frail v. facilitate, ease, favor, favour, smooth, expedite
Sabur Ibn Sahl (died 869) was the first physician to describe a large variety of drugs and remedies for ailments. سابور بن سهل (المتوفى عام 869) كان أول طبيب وضع دستور للأدوية واصفا فيه أنواعا مختلفة من الأدوية لأمراض مختلفة.