Question

Where did the Black Death originally start

Answer 1

The first historical record of bubonic plague is in Central Asia in 1338/39. It reached China and India by 1346. It infected the Black Sea port of Kaffa by 1347. One (false) legend says that the Mongols infected the city of Kaffa by shooting infected corpses over the walls with catapults.

Answer 2

It originally started in Central Asia then went on to India and China. I hope this is what you were looking for :P