In South Africa we refer to the papaya as pawpaw, I'm in England now, and here they just say papaya. https://en.wikipedia.org/wiki/Papaya. This article mentions papaya as a separate fruit. Is there something missing?
This pawpaw is a fruit native to North America, and the name sharing is just coincidence. Here's the Wikipedia page for it: https://en.m.wikipedia.org/wiki/Asimina_triloba