breed of working dog used for guarding and herding horses; Ku-assa is the Sumerian word for “dog horse”; has a double coat: bottom layer is fine, top layer is long, coarse, and somewhat bushy; can be any shade of white, but the skin is black; ears are medium-sized, broad, and flop over side of head; tail is long, full, and slightly curved at end; eyes are rounded and dark brown; adult stands 24–26 in. (61–66 cm) tall at shoulders and weighs 60–70 lbs (27–32 kg); occasionally used to hunt wild boar by Hungarian royalty in 15th century, most notably by King Matthias I; spirited and curious nature; breed's ancestors may have originated in Turkey, Russia, or Tibet,