Etymology and distribution of 鞆野.

Tomono 【鞆野】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Ibaraki-ken Toride-shi . Tell Shizuoka-ken Chubu (formerly Suruga country) that the descendant of Onuma called it. Estimated in the Kamakura period from family name and surname Wada. 大沼 Oonuma reference. 平 Taira reference. 和田 Wada reference.