What is "echephron"

Echephron (Ἐχέφρων, gen.: Ἐχέφρωνος) is the name of three characters in Greek mythology.

• Echephron, a son of Nestor and Eurydice (or Anaxibia).
• Echephron, a son of Priam, king of Troy.
• Echephron, son of Heracles and Psophis, daughter of Eryx, a Sicilian despot. He changed the name of the city Phegia (the old Erymanthus) to Psophis.