Etymology

interoperate

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Today it means: To work reliably with another system. Full definition →

English operate ← Latin operātus ← Proto-Italic *opos
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The story

  1. Proto-Indo-European*h₁én
  2. Proto-Indo-European*h₁n̥tér
  3. Proto-Italic*n̥ter
  4. Latininter
  5. Latininter-
  6. Englishinter-
  7. Proto-Indo-European*h₃ep-
  8. Proto-Indo-European*h₃épos
  9. Proto-Italic*opos
  10. Latinopus
  11. Latinopera
  12. Latinoperātus
  13. Englishoperate
  14. English todayinteroperate

From inter- (“between, mutual”) + operate (“work”).

Etymology from Wiktionary, CC BY-SA 4.0.