Etymology

setoid

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Today it means: A set together with an equivalence relation. Full definition →

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

  1. Middle Englishset
  2. Englishset
  3. Proto-Indo-European*weyd-
  4. Proto-Indo-European*wéydos
  5. Proto-Hellenic*wéidos
  6. Ancient Greekεἶδος (eîdos)
  7. English todaysetoid

From set + -oid.

Etymology from Wiktionary, CC BY-SA 4.0.