Kepheus is the original Greek form of the name Cepheus, both referring to the same figure from Greek mythology. The name Cepheus is a Latinized rendering of the Greek Κηφεύς (Kepheus), which has an unknown meaning. It has been suggested that the name might be of pre-Greek origin or related to the Greek word κῆπος (kēpos) meaning 'garden,' but no definitive etymology exists.Mythological BackgroundIn Greek legends, Kepheus (Cepheus) was the king of Ethiopia and the husband of Cassiopeia. Together, they were the parents of Andromeda. According to the myth, Cassiopeia boasted that she and her daughter were more beautiful than the Nereids, sea nymphs. This angered Poseidon, who sent a sea monster to ravage Ethiopia. To appease the god, Andromeda was chained to a rock as a sacrifice, but the hero Perseus rescued her. After his death, Kepheus and his family were placed among the constellations: Cepheus, Cassiopeia, Andromeda, Perseus, and the sea monster Cetus all appear in the northern sky.Astronomical LegacyThe constellation Cepheus is one of the 48 constellations listed by the 2nd-century astronomer Ptolemy. It represents a king seated on a throne, holding a scepter or a crown. The constellation contains several notable stars, including the variable star Delta Cephei, which is the prototype for Cepheid variables, a type of star used to measure distances in space. The name Kepheus is relatively rare as a given name today but appears in some contexts, particularly among those interested in astronomy or classical mythology.Meaning: Unknown; possibly pre-GreekOrigin: Greek mythologyType: First nameUsage period: Historical, rare modern usage