Cardea

Cardea (Latin cardo, " hinge ", " hinge " ) was in the Roman religion, the goddess of thresholds, door hinges and door handles. How Forculus, the God of the door jamb, and Limentinus, the God of the doorway, it belongs to the series of special Roman deities.

Your confusion with the very different Carna, a goddess of health, goes back to Ovid, the Fasti told in the following story:

Cardea, which was originally called Carne was a beautiful nymph in the grove of Helernus on the Tiber. When an admirer asked for a rendezvous, she said that she was ashamed so under the open sky, he may yet precede her into the bushes or a cave. As soon as her admirer did so, and thus it was from the eye, they escaped into the bushes. But the two-faced Janus so she could not cheat and Cardea had to keep their promise.

Thanks to Janus gave her power over the door hinges and door handles. With the magic of the hawthorn could henceforth protect children against blood-sucking Strigen and witches. Ovid said of Cardea: " Her power is to open what is closed; close to what is open. " What Ovid tells more about the festival custom of the Kalends of Junius refers to Carna.