horde 
(hôrd)
(hôrd)n.
1. A large group or crowd; a swarm: a horde of mosquitoes. See Synonyms at crowd1.
2.
a. A nomadic Mongol or Turkic tribe.
b. A nomadic tribe or group.
[Ultimately (via German Horde, Polish horda, and kindred words in other languages of central Europe, with initial h-, of obscure origin) from Ukrainian orda, tribe or army of Mongols and Turkic peoples (as the Golden Horde) from North-Western Turkic ordï, encampment, residence, court, from Old Turkic ordu.]