Whispers from Deep Time.

My initial survey established that Great Andamanese languages were unrelated to those of the Jarawa and the Onge, which may constitute their own language family. Because no other known language has a grammar based on the human body or shares cognates - words that are similar in meaning and pronunciation, indicating a genealogical connection - with Great Andamanese, the language constitutes its own family. British officials had observed that the Andamanese languages were a bit like links in a chain: members of neighboring Great Andaman tribes understood one another, but those speaking languages at opposite ends of the chain, in North and South Andaman, were mutually unintelligible. Zones of the Human Body The structure of Great Andamanese languages derives from a conceptual division of the human body into seven zones. [Extracted from the article]