The local water supply came from a spring fed by melted snow from the 3,000-meter mountains. With the clear mountain air and pure water, the people lived long lives, whence the name Kotobuki, which means "long life" in Japanese.
由於農村的水源是來自三千公尺高山雪融的清泉，使得生長在這片好山好水的人們特別長壽，也是「壽村」村名的由來。