As the time passed the "Shyar Khamba", inhabitants of shyar Khumbu, were called as Sher with unicorns hat Sherpas were not migrants who crossed the border of Tibet to Nepal.
As the time passed the "Shyar Khamba", inhabitants of shyar Khumbu, were called as Sherpa. A recent Nepal Ethnographic Museum (2001) study postulated that Sherpas were not migrants who crossed the border of Tibet to Nepal.