Etymology

cohomology

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Today it means: A method of contravariantly associating a family of invariant quotient groups to each algebraic or geometric object of a category, including categories of geometric and algebraic objects. Full definition →

English homology ← Latin co- ← Proto-Italic *kom-
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The story

  1. Proto-Indo-European*ḱe?
  2. Proto-Indo-European*ḱóm
  3. Proto-Italic*kom
  4. Proto-Italic*kom-
  5. Latincon-
  6. Latinco-
  7. Englishco-
  8. Englishhomology
  9. English todaycohomology

From co- + homology.

Etymology from Wiktionary, CC BY-SA 4.0.