Therefore, the literal, face-value translation of is: "Unchastity without end" or "Defilement repeated infinitely."
Here is text explaining the meaning of broken down by literal definition and contextual usage. incestus ad infinitum meaning
Though the exact phrase "Incestus ad Infinitum" does not appear in classical Roman texts (it is likely a modern coinage using Latin roots), the concept it names is ancient. The horror of infinite, recursive incest is a staple of mythology. incestus ad infinitum meaning