Etymology

terbium

T1E1R1B3I1U1M3

Today it means: A metallic chemical element (symbol Tb) with an atomic number of 65: a soft, silvery-white, rare earth metal that is malleable and ductile. Full definition →

English Ytterby ← Swedish Ytterby ← Old Swedish bȳr
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The story

  1. Proto-Indo-European*úd
  2. Proto-Germanic*ūt
  3. Old Norseút
  4. Old Norseýtri
  5. Swedishyttre
  6. Swedishytter-
  7. Proto-Indo-European*bʰuH-
  8. Proto-Germanic*būaną
  9. Old Norsebúa
  10. Old Norsebýr
  11. Old Swedishbȳr
  12. Swedishby
  13. SwedishYtterby
  14. EnglishYtterby
  15. English todayterbium

From Ytterby + -ium, named after Ytterby, Sweden. Doublet of erbium, ytterbium, and yttrium

Etymology from Wiktionary, CC BY-SA 4.0.