Etymology and distribution of 大蔦.

Ootsuta 【大蔦】^{レベル3
About 300}  The Japanese surnames etymology dictionary.

Gunma-ken Numata-shi , Toukyou-to . Gunma-ken Numata-shi In Takuya, tell him that he was a vassal of Mr. Oda. Estimated in the Warring States Period. 織田 Oda reference.