To divide a long body into pages that can be asked for one at a time. It makes the unmanageable reachable.
From Latin pagina (a page), with the verb-forming suffix -ate, coined in the 19th century for the work of dividing a long body into pages that can be asked for one at a time.
To divide a long body of content into pages that can be asked for one at a time, which is what makes an unmanageable amount reachable at all.