quadrivial
/kwɒˈdrɪvɪəl/ /kwəˈdrɪvɪəl/adjective
Of or relating to the quadrivium.
noun
In plural The four sciences constituting the quadrivium. Now historical.
Origin
Late Middle English; earliest use found in Palladius' De Re Rustica. From classical Latin quadriviālis of or belonging to a crossroads, in post-classical Latin also relating to the quadrivium from quadrivium + -ālis. With use as noun compare post-classical Latin quadrivialia, neuter plural, the quadrivium.