Etymology

covariant

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Today it means: Which preserves the order of morphism composition: formally, which associates each morphism f:X→Y to a morphism F(f):F(X)→F(Y). Full definition →

English variant ← 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. Englishvariant
  9. English todaycovariant

From co- + variant.

Etymology from Wiktionary, CC BY-SA 4.0.