The name 'Kamanza' comes from many foundry men (artisans who made iron goods such as iron kettles) who lived around present-day Sanjogamaza during the Heian period.
平安時代から現在の三条釜座近辺に、釜師（茶釜などの鋳物職人）が住む「釜座」（かまんざ）が集まっていたことからこの名がある。