pastedown

(n.) = guarda, forro
Ex: Their purpose was, as paste-downs, to reinforce the joints of the covers and, as flyleaves, to give additional protection to the end pages of the book.

Def: Hoja doblada que pegada a la cara interna de las pastas y al libro sirve para mantenerlos unidos
Ex: Their purpose was, as paste-downs, to reinforce the joints of the covers and, as flyleaves, to give additional protection to the end pages of the book.

See endpapers .