Etymology

Yellowstone

Y4E1L1L1O1W4S1T1O1N1E1

Today it means: A national park of the USA, located in Montana, Idaho and Wyoming. Full definition →

English stone ← Middle English ston ← Old English stān
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The story

  1. Proto-Indo-European*ǵʰelh₃-
  2. Proto-Indo-European*ǵʰelh₃wós
  3. Proto-Germanic*gelwaz
  4. Proto-West Germanic*gelu
  5. Old Englishġeolu
  6. Middle Englishyelow
  7. Englishyellow
  8. Proto-Indo-European*steh₂-
  9. Proto-Indo-European*steyh₂-
  10. Proto-Indo-European*stóyh₂nos
  11. Proto-Germanic*stainaz
  12. Proto-West Germanic*stain
  13. Old Englishstān
  14. Middle Englishston
  15. Englishstone
  16. English todayYellowstone

From yellow + stone.

Etymology from Wiktionary, CC BY-SA 4.0.