Ammut

A female demon, she is found in The Book of the Dead, She plays an important role in the Hall of Maat.
Found on https://www.encyclo.co.uk/local/10138

Ammut

an ancient Egyptian soul-eating monster; Ammut witnessed the judgment of the dead in the 'Hall of the Two Truths, Maaty; Ammut was depicted with the head of a crocodile, the forequarters of a lion, and the hindquarters of a hippopotamus.
Found on http://www.hestories.info/greco-roman-world-glossary.html

Ammut

the demon that ate the heart if it did not balance the feather of Maat. Maat was part crocodile, part lion and part hippo. She is often shown in the weighing of the heart scene watching and waiting for the heart to fail the test.
Found on http://www.egyptweb.norfolk.gov.uk/eggloss.htm
No exact match found