renglón

line (written or printed row of words); line, merchandise (products or services sold by a business)

“A cada uno de los muros de cada hexágono corresponden cinco anaqueles: cada anaquel encierra treinta y dos libros de formato uniforme; cada libro es de cuatrocientas diez páginas; cada página, de cuarenta renglones; cada renglón, de unas ochenta letras de color negro.” — On each of the walls of each hexagon there are five shelves: each shelf holds thirty-two books of the same style; each book is four hundred ten pages long; each page, forty lines; each line, some eighty letters printed in black.

From reglón, augmentative of regla.