In Latin, these codices, or books, were called membranae, or parchments, after the leather generally used for their pages. Some codices that have survived were made of papyrus.
وسُمِّيت هذه المجلَّدات ،‏ او الكتب ،‏ باللاتينية ممبراناي التي تعني « رقوق » ،‏ إذ ان صفحاتها غالبا ما صُنعت من الجلد .‏