SAHIFAH. صحيفة
pl. suhuf. Lit. “A small book or pamphlet,” A term generally used for the one hundred portions of scripture and said to have been given to Adam, Seth, Enoch, and Abraham, although It is used in the Qur’an (Surah lxxxvii. 19) for the books of Abraham and Moses: “This is truly written in the books (suhuf) of old, the books (suhuf) of Abraham amid Moses.
Based on Hughes, Dictionary of Islam