Patripassian
/ˌpatrɪˈpasɪən/Theology. Chiefly historical
noun
A person who believes that God the Father suffered on the Cross with or in the person of the Son; especially a member of any of various heretical sects in the early Church who held this belief.
adjective
Of, relating to, or involving the Patripassians or Patripassianism.
Origin
Late 16th century; earliest use found in Richard Bristow (1538–1581), Roman Catholic priest. From post-classical Latin patripassianus person who believes that God the Father suffered on the Cross (3rd cent.), of or relating to this belief from classical Latin patri- + pass-, past participial stem of patī to suffer + -iānus.