"Könyvtárakból" is the Hungarian plural genitive form of "könyvtár," which translates to "library." Therefore, "könyvtárakból" literally means "from libraries." This phrase is used in contexts where something originates from or is taken from multiple libraries. For example, a researcher might state that their data was collected "könyvtárakból," indicating that the information was gathered from various library collections. Similarly, a book might be described as being "könyvtárakból kölcsönzött," meaning borrowed from libraries. The phrase implies a source or origin point within the collective holdings of public, academic, or specialized libraries. It can also refer to items that have been withdrawn from library circulation or acquired from library sales. The specific meaning is determined by the surrounding sentence and the general context of the discussion.