What is "panbanisha"

Panbanisha (November 17, 1985 – November 6, 2012), also known by the lexigram , was a female bonobo that featured in studies on great ape language by Professor Sue Savage-Rumbaugh. She was born at Language Research Center at Georgia State University in Atlanta, Georgia. Panbanisha was the daughter of Matata, the adopted mother of the famous Kanzi, and was the mother of two sons, Nyota and Nathen. She lived at the Great Ape Trust in Iowa. Panbanisha died of a respiratory disease at the Great Ape Trust on November 6, 2012. She was 26.