"an appearance of God to man," 1630s, from Late Latin theophania, from Greek theos "god" (see theo-) + phainein "to show" (see phantasm). In Middle English "Epiphany" (late 12c.). Ancient Greek Theophaneia was the name of a festival at Delphi during which the statues of Apollo and other gods were displayed to the public.[theophany etymology, theophany origin, 英语词源]