Ahh was one of the names given to the Dios Luna, in the ancient Egypt. It was also called Iah or Yah. An adult form of Khonsu or Toth is considered.
God that was the representation of the Moon, according to his conception of companion of the Earth, therefore related to the ibis. In this function was the white disc, the Lord of heaven, the maker of eternity.
AAH: In mythology, lunar God from the Egyptians.