Etymology

americium

A1M3E1R1I1C3I1U1M3

Today it means: The chemical element (symbol Am) with an atomic number of 95. Full definition →

English America ← New Latin America ← Italian Amerigo
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The story

  1. Proto-Indo-European*h₃emh₃-
  2. Proto-Germanic*amalą
  3. Proto-Indo-European*h₃reǵ-
  4. Proto-Indo-European*h₃rḗǵs
  5. Proto-Celtic*rīxs
  6. Proto-Germanic*rīks
  7. Proto-Germanic*Amalarīks
  8. Proto-Indo-European*ḱey-
  9. Proto-Indo-European*ḱóymos
  10. Proto-Indo-European*teḱ-
  11. Proto-Indo-European*tḱéytibf.
  12. Proto-Indo-European*tḱey-
  13. Proto-Indo-European*tḱóymos
  14. Proto-Germanic*haimaz
  15. Proto-Germanic*rīks
  16. Proto-Germanic*Haimarīksder.?
  17. ItalianAmerigo
  18. New LatinAmerica
  19. EnglishAmerica
  20. English todayamericium

From Americ(as) + -ium, by analogy with europium.

Etymology from Wiktionary, CC BY-SA 4.0.