Yamnaya tsika inozivikanwa neyekupedzisira Proto-Indo-Europeans (PIE) muKurgan fungidziro yaMarija Gimbutas. Iyo ndiyo yakasimba kukwikwidza yeUrheimat (yekutanga nyika) yeProto-Indo-European mutauro, pamwe neiyo yapfuura Sredny Stog tsika, ikozvino kuti humbowo hwekuchera matongo hwetsika uye kutama kwayo kwakabatanidzwa zvakanyanya kune humbowo kubva kumitauro uye genetics. Zvakakosha, paive nemhuka makuva zvipiriso chinhu chakabatana neProto-Indo-Europeans. Tsika iyi yaive yakanyanya kufamba-famba, iine imwe yekurima iri padyo nenzizi uye mashoma makomo. Hunhu hwetsika iyi makuva pasi pemakomba mu kurgumuli (tumuli). Miviri yakafa yakaiswa munzvimbo yekurara nemakumbo uye yakafukidzwa mumakomba akawanda akafukidzwa neochre.
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