According to Diakonoff, the name is derived by metathesis from the name of the country called Suḫmu in Akkadian and Zuhma in Hittite, located in the upper Euphrates valley, close to South-Caucasian tribes, and is presumed to have been inhabited by Proto-Armenians.Dʹjakonov, I. M. (1968), S. T. Jeremjan, editor, Predystorija armjanskovo naroda. Istorija Armjanskovo nagorʹja s 1500 po 500 g. do n.e. Xurrity, luvijcy, protoarmjane [The Pre-History of the Armenian People. The History of the Armenian Highland from 1500 to 500 BC. Hurrians, Luwians, Proto-Armenians (in Russian), Yerevan: Academy Press, page 234
