In Catholic theology, Limbo (Latin: limbus, 'edge' or 'boundary', referring to the edge of Hell) is the afterlife condition of those who die in original sin without being assigned to the Hell of the Damned. However, it has become the general term to refer to nothing between time and space in general. Medieval theologians of Western Europe described the underworld ("hell", "hades", "infernum") as divided into three distinct parts: Hell of the Damned, Limbo of the Fathers or Patriarchs, and Limbo of the Infants.
https://en.wikipedia.org/wiki/Limbo