岱宗 is formed by combining the character 岱, which specifically refers to Mount Tai, with 宗, meaning "ancestor" or "supreme", to denote Mount Tai's revered status as the foremost among China's Five Great Mountains.
Word Definition - 岱宗
dài zōnganother name for Mt Tai 泰山 in Shandong as principal or ancestor of the Five Sacred Mountains 五嶽|五岳[wǔ yuè]; Mt Tai as resting place for departed souls