 However, Ancient Greco-Roman writers placed Udis beyond Utik, north of the Kura River.Pliny the Elder calls "Utis" a Scythian tribe and also mentions so called utidors (which was apparently a tribe of mixed origin).Due to this a drift of ethnonym or more complex ethnogenetic processes are possible (for example, settlement of some Iranian-speaking or, less probably, Finnic peoples and adoption by them of language of the local Caucasian population).