Professor Abbi - who runs the Vanishing Voices of the Great Andamanese (Voga) website - explained: "After the death of her parents, Boa was the last Bo speaker for 30 to 40 years.
"She was often very lonely and had to learn an Andamanese version of Hindi in order to communicate with people.
A Person Dies. And with Her, a Language Disappears
BBC News reports that the last speaker of the language Bo has died at age 85.