Eustathian

== English == === Etymology === From Eustathius +‎ -ian. === Adjective === Eustathian (comparative more Eustathian, superlative most Eustathian) Of or relating to Eustathius of Antioch, Christian bishop and archbishop of Antioch in the 4th century. === Noun === Eustathian (plural Eustathians) (historical) A religious supporter of Eustathius of Antioch.