Etymology and distribution of 專能.

Sen'nou 【專能】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Aomori-ken Shimokita-gun Higashidoori-mura . Thing . A variant of a 鉄砲 . Aomori - ken Shimokita - gun Higashidohi - mura Tell him that he had a gun when he was straying by ship on the shipyard and drifted. Estimated in the Edo period. Aomori-ken San'nohe-gun There is also a story that the hunter from Gonohe-machi hunts with a gun and from the fact that there was a designation of "gun". Estimated in the Edo period.