Etymology

eighth

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Today it means: The ordinal form of the number eight. Full definition →

Middle English eightethe ← Old English eahtoþa ← Proto-West Germanic *ahtudō
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The story

  1. Proto-Indo-European*oḱtṓw
  2. Proto-Indo-European*oḱtowós
  3. Proto-Germanic*ahtudô
  4. Proto-West Germanic*ahtudō
  5. Old Englisheahtoþa
  6. Middle Englisheightethe
  7. English todayeighth

Inherited from Middle English eightethe, from Old English eahtoþa, from Proto-Germanic *ahtudô; equivalent to eight + -th (ordinal suffix).

Etymology from Wiktionary, CC BY-SA 4.0.