cainogenesis
/kɑːɪnəʊˈdʒɛnɪsɪs/Definitions
1. noun
The phenomenon of the first murder in a society, often seen as a pivotal event in its development, or the first instance of violence or killing within a particular group or community.
“The anthropologist studied the cainogenesis that occurred in the tribe, noting its impact on their social dynamics and moral codes.”