Meaning

noun worthless or oversimplified ideas

noun a diet that does not require chewing; advised for those with intestinal disorders

noun the small projection of a mammary gland

originFrom Middle English pap. Related to Middle Low German pappe, Dutch pap, German Pappe (“pap, porridge; wheatpaste; cardboard”), Old French papa/pape, Latin pappa, Bulgarian папам (papam, “to eat”) and Serbo-Croatian папати/papati (“to eat”), among others. The relationships between these words are difficult to reconstruct. The Germanic word is either a borrowing from Latin or, perhaps more…

Etymology from Wiktionary, CC BY-SA 3.0