yayo

grandpa, pops

Unknown origin, perhaps from whimsical slang by youth. A prevailing theory, given the term's ultimate origin in Aragon and Catalan-speaking territories, is derivation from Catalan iaio (“grandpa”). It seems the first form generated was *jaja (“grandma”), from which the masculine form was derived. This would come from Catalan avia (“grandmother”) (from Latin avia), and from juvenile palatalization would generate something like *ai̯a. The common phenomenon of syllabic repetition in children's lang