Definition of diabology in English:

diabology

Pronunciation /ˌdʌɪəˈbɒlədʒi/

noun

  • The branch of study concerned with devils or the Devil; a set of beliefs or branch of study concerning devils or the Devil.

Origin

Late 17th century; earliest use found in Thomas Urquhart (1611–1660), author and translator. From French diabologie, alteration (by haplology) of diabolologie diabolology.