Nayseth is of Hebrew origin, derived from the name Nathan. It means 'Given by God' or 'God has given.' The name Nayseth is often spelled variously as Naishet, Nayeseth, and Nasheet. It gained popularity in the United States during the late 20th century.
"Nayseth is quite uncommon; only 11 babies were named Nayseth in total, all born in the year 2003."