Hopewellian

== English == === Etymology === From Hopewell +‎ -ian, after Mordecai Hopewell, whose family owned the property where the earthworks are sited. === Adjective === Hopewellian (not comparable) (historical) Relating to the Hopewell tradition, a network of Native American civilisations that engaged in exchange, flourishing during the first half of the first millennium CE.