Etymology and distribution of 月桴.

Tsukigata 【月桴】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Saitama-ken Kawagoe-shi . Nagano-ken Shimoina-gun Achi-mura Origin of Nanagi. A place name with a record since the Warring States Period. The place name was also written as "wave". It was in the Edo period in the same place.