Kama 【鎌】3 The Japanese surnames etymology dictionary.
① Topography . It was said that he brought it from the warriors of Tokugawa Ieyasu, the battle commander of the Sengoku period, Azuchi Momoyama period, and Edo period, during the fight between 1573 and 1592 (Tensho year) in the vicinity of the Setogawa flowing through Shizuoka-ken Yaidzu-shi To tell.
② There is a designation of Mr. Kawahori as a keeper of the river.
※ Miyazaki-ken was in the Warring States Period.