Etymology

cotyledon

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Today it means: Each of the patches of villi on the foetal chorion in the placenta of ruminants and some other mammals. Full definition →

Latin cotylēdōn ← Ancient Greek κοτυληδών
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The story

  1. Ancient Greek · derived fromκοτυληδών“cup-shaped cavity”
  2. Latin · learned borrowing fromcotylēdōn
  3. English todaycotyledon

From Latin cotylēdōn, from Ancient Greek κοτυληδών (kotulēdṓn, “cup-shaped cavity”), from κοτύλη (kotúlē, “cup”).

Etymology from Wiktionary, CC BY-SA 4.0.