To understand this phrase is to understand why taboos exist. The incest taboo across all human cultures is not merely about biology; it is about future possibilities . It forces families to look outward, to connect with strangers, to weave the social fabric. To break that taboo once is tragedy. To imagine it repeated forever is to imagine the end of society, the end of kinship, and ultimately the end of humanity as a relational being.
Combined, "Incestus ad infinitum" suggests a cycle of interbreeding that continues endlessly through generations. Usage in Popular Culture: Fackham Hall incestus ad infinitum meaning