hamartiology

From hamartia (“sin”) +‎ -ology.

hamartiology (uncountable)

1. (Christianity) The theology or study of sin.
   • 2018, Shao Kai Tseng, Barth's Ontology of Sin and Grace: Variations on a Theme of Augustine‎^[1], Routledge, →ISBN:

     Though defiant of the fundamentally substantialist approach to the problem of sin in the Augustinian tradition, Barth adopts the substantialist nomenclature of the Latin tradition and the basic grammar of Augustine's hamartiology.

• hamartiological
• hamartiologically