Relating to or characteristic of Cainites or their beliefs; heretical or morally inverted in the style of gnostic movements.
From Cainite plus the suffix '-ic' meaning 'of or pertaining to'. This adjective form developed in theological and historical discourse to describe practices or beliefs attributed to Cainite sects.
Calling something 'Cainitic' was the ancient world's version of calling it backwards or evil—it shows how one word could define entire belief systems as wrong in the eyes of mainstream Christianity.
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