Mid 19th century; earliest use found in John Harris (1802–1856), Congregational minister and college head. From Mammon + -ic, perhaps after demonic noun.
Definition of mammonic in US English:
mammonic
adjectivemaˈmɒnɪk
nonce-word
Of or relating to Mammon.
Origin
Mid 19th century; earliest use found in John Harris (1802–1856), Congregational minister and college head. From Mammon + -ic, perhaps after demonic [noun].