Akademik

constantinian
\\|känztən|tinēən, -än(t)st-, -|tēn-, -nyən\ adjective
Usage: usually capitalized
Etymology: Constantine I died A.D.337 Roman emperor + English -ian
: of, derived from, or resembling the Roman emperor Constantine the Great or his reign (A.D. 306-337)

Useful english dictionary. 2012.