Etymology

quadricentennial

Today it means: Relating to a 400th anniversary. Full definition →

English centennial ← Proto-Indo-European *h₂élisder.? ← Late Latin centennium
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The story

  1. Proto-Indo-European*kʷetwóres
  2. Proto-Indo-European*kʷetwr̥-
  3. Proto-Italic*kʷetru-
  4. Latinquadri-
  5. Englishquadri-
  6. Latincentennis
  7. Late Latincentennium
  8. Proto-Indo-European*h₂el-
  9. Proto-Indo-European*h₂élisder.?
  10. Englishcentennial
  11. English todayquadricentennial

From quadri- + centennial.

Etymology from Wiktionary, CC BY-SA 4.0.