en base a

== Spanish == === Etymology === Apparently a calque of Italian in base a. (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Pronunciation === IPA(key): /em ˈbase a/ [ẽm ˈba.se a] Syllabification: en ba‧se a === Preposition === en base a (sometimes proscribed) alternative form of con base en (“based on”)