Etymology

cokernel

C3O1K5E1R1N1E1L1

Today it means: The coequalizer of f and the zero morphism from X to Y, denoted operatorname cokerf. Full definition →

English kernel ← Middle English kirnel ← Old English cyrnel
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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. Proto-Indo-European*ǵerh₂-
  9. Proto-Indo-European*ǵr̥h₂-nós
  10. Proto-Indo-European*ǵr̥h₂nóm
  11. Proto-Germanic*kurną
  12. Proto-West Germanic*korn
  13. Proto-West Germanic*kurnil
  14. Old Englishcyrnel
  15. Middle Englishkirnel
  16. Englishkernel
  17. English todaycokernel

From co- + kernel.

Etymology from Wiktionary, CC BY-SA 4.0.