Proto-Indo-European (c.3000 BC)
  1. *-kwe
  2. *h2ébōl
  3. *meln-
  4. *ḱuwōn-
  5. *peh3i-
  6. *h3ekw-
  7. *ph2tér-
  8. *deh3-
  9. *domos
  10. *h3rēǵs
  11. *lokús
  12. *h2melǵ-
  13. *nokwt-
  14. *sénos
  15. *kan-
  16. *ténus
  17. *dholh2os
  18. *h2weh1nt-
  19. *wet-
1. *h1oinos (m), h1oineh2 (f), h1oinom (n)
2. *dwéh3u (m), dwoih1 (f), dwoih1 (n)
3. *tréyes (m), trisores (f), trih2 (n)
4. *kwetwóres (m), kwetesores (f), kwetwór (n)
5. *pénkwe
6. *sweḱs
7. *septṃ
8. *h3eḱteh3
9. *h1newh1
10. *déḱṃ
100. *ḱṃtóm

Proto-Indo-European could possibly have been spoken originally in southern Russia in the region of Volgograd.

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