Hyksos

plural noun

a people of mixed Semitic and Asian descent who invaded Egypt and settled in the Nile delta c. 1640 BC. They formed the 15th and 16th dynasties of Egypt and ruled a large part of the country until driven out c. 1532 BC.

from Greek Huksōs (interpreted by Manetho as ‘shepherd kings’ or ‘captive shepherds’), from Egyptian heqa khoswe ‘foreign rulers’.