Etymology

groupoid

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Today it means: A magma: a set with a total binary operation. Full definition →

Ancient Greek εἶδος (eîdos) ← Proto-Hellenic *wéidos ← Proto-Indo-European *wéydos
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The story

  1. Proto-Indo-European*grewbʰ-
  2. Proto-Germanic*kruppaz
  3. Frankish*krupp
  4. Vulgar Latin*cruppus
  5. Italiangruppo
  6. Frenchgroupe
  7. Italiangruppo
  8. Englishgroup
  9. Proto-Indo-European*weyd-
  10. Proto-Indo-European*wéydos
  11. Proto-Hellenic*wéidos
  12. Ancient Greekεἶδος (eîdos)
  13. English todaygroupoid

From group + -oid.

Etymology from Wiktionary, CC BY-SA 4.0.