Etymology

plutoid

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Today it means: A trans-Neptunian dwarf planet. Full definition →

English Pluto ← Middle English Pluto ← Latin Plūtō
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The story

  1. Ancient GreekΠλούτων (Ploútōn)
  2. LatinPlūtō
  3. Middle EnglishPluto
  4. EnglishPluto
  5. English todayplutoid

From Pluto + -oid.

Etymology from Wiktionary, CC BY-SA 4.0.