Akizuno

...Yamato was named after the area around Mt. Miwa in Nara Prefecture, which means "a place with mountains." Since then, the capital was mainly located in Yamato, and it became the general name for Japan. Akizushima also came to refer to Japan from Akizuno (perhaps the area around Misono on the opposite bank from Miyataki, Yoshino-cho, Yoshino-gun). There is a song about the origin of the country's name, which says that Emperor Yuryaku should call the country Akizushima Yamato because of the achievements of the dragonfly Akizu.

*Some of the terminology that mentions "Akizuno" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…ヤマトは奈良県の三輪山近辺を〈山のある所〉としてヤマトの名がついたもので，以後主に都が大和に置かれたので，日本国の総称となった。アキヅシマも阿岐豆野（あきづの）(吉野郡吉野町宮滝から対岸の御園一帯か)から日本国をさすようになった。雄略天皇に蜻蛉（あきづ）の功績によってアキヅシマヤマトと言えという国名起源説話の歌がある。…

※「阿岐豆野」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報