The word "bookfell" refers to the edge of a book's pages that have been fanned or spread out. It is pronounced as /bʊkˈfɛl/ with the stressed syllable being "fell". The word consists of two parts, "book" and "fell". The first part represents the object and the second part is derived from the Old English word "fælan" meaning "to fell or cut down". Thus the spelling of the word "bookfell" reflects the historic origins of the term, dating back to the traditional book-making techniques.