mesoamerican

The story

1. Proto-Indo-European*me
2. Proto-Indo-European*dʰeh₁-?
3. Proto-Indo-European*médʰi
4. Proto-Indo-European*médʰyos
5. Proto-Hellenic*métsos
6. Ancient Greekμέσος (mésos)
7. Englishmeso-
8. Proto-Indo-European*h₃emh₃-
9. Proto-Germanic*amalą
10. Proto-Indo-European*h₃reǵ-
11. Proto-Indo-European*h₃rḗǵs
12. Proto-Celtic*rīxs
13. Proto-Germanic*rīks
14. Proto-Germanic*Amalarīks
15. Proto-Indo-European*ḱey-
16. Proto-Indo-European*ḱóymos
17. Proto-Indo-European*teḱ-
18. Proto-Indo-European*tḱéytibf.
19. Proto-Indo-European*tḱey-
20. Proto-Indo-European*tḱóymos
21. Proto-Germanic*haimaz
22. Proto-Germanic*rīks
23. Proto-Germanic*Haimarīksder.?
24. ItalianAmerigo
25. New LatinAmerica
26. EnglishAmerica
27. EnglishAmerican
28. English todayMesoamerican

From meso- + American.