Etymology

coauthor

C3O1A1U1T1H4O1R1

Today it means: An author who collaborates with another to write something. Full definition →

English author ← Middle English auctour ← Anglo-Norman autour
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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*h₂ewg-
  9. Proto-Indo-European*h₂owg-éye-ti
  10. Proto-Italic*augejō
  11. Proto-Italic*augeō
  12. Latinaugeō
  13. Latinauctor
  14. Anglo-Normanautour
  15. Middle Englishauctour
  16. Englishauthor
  17. English todaycoauthor

From co- + author.

Etymology from Wiktionary, CC BY-SA 4.0.