Other forms: endpapers
An endpaper is the sheet pasted inside a book's cover. Decorated endpapers, the endpaper is torn, marbled endpapers.
Half of it is glued to the board and half forms the first free leaf, and it is what actually holds the book block to its case. Marbled ones are the traditional decoration and are worth looking at in any old book.
1nounendpaperThe sheet pasted inside a book's cover.
“Inside the front cover, the endpaper was printed with a map of the island.”
endpaper is a sheet.
End plus paper, from the sheets at each end of a bound book.
From end + paper.
Etymology from Wiktionary, CC BY-SA