sub rosa

under the rose


"In secret", "privately", "confidentially" or "covertly". In the Middle Ages, a rose was suspended from the ceiling of a council chamber to indicate that what was said in the "under the rose" was not to be repeated outside. This practice originates in Greek mythology, where Aphrodite gave a rose to her son Eros, and he, in turn, gave it to Harpocrates, the god of silence, to ensure that his mother's indiscretions