Athanasian
[ ath-uh-ney-zhuh n ]
/ ˌæθ əˈneɪ ʒən /
adjective
of or relating to Athanasius or to the doctrines ascribed to him.
noun
Theology.
a follower of Athanasius or a believer in the Athanasian Creed.
Origin of Athanasian
First recorded in 1580–90;
Athanasi(us) +
-an