Original: The word volcano is thought to derive from Vulcano, a volcanic island in the Aeolian Islands of Italy whose name in turn originates from Vulcan, the name of a god of fire in Roman mythology.
Simplified: The word "volcano" Volcano is thought to come from Vulcano, a volcanic island in the Aeolian Islands of Italy. Vulcano's name itself is taken from Vulcan, the name of a god of fire in Roman mythology.