Origin: 1545–55; earlier also hord, horda ≪ Czech, Polish horda < Ukrainian dialect gordá,Ukrainian ordá,Old Russian (orig. in Zolotaya orda the Golden Horde), via Mongolian or directly < Turkic ordu, orda royal residence or camp (later, any military encampment, army); compare Urdu
1555, from W. Turkic (cf. Tatar urda "horde," Turkish ordu "camp, army"), to Eng. via Polish, Fr., or Sp. The initial -h- seems to have been attached in Polish.