Etymology

coextensive

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Today it means: Having the same spatial limits or boundaries; sharing the same area. Full definition →

English extensive ← Middle English extensive ← Late Latin extensīvus
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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*h₁éǵʰ
  9. Proto-Indo-European*h₁éǵʰs
  10. Proto-Italic*eks
  11. Latinex
  12. Latinex-
  13. Proto-Indo-European*ten-
  14. Proto-Indo-European*tend-
  15. Proto-Indo-European*téndeti
  16. Proto-Italic*tendō
  17. Latintendō
  18. Latinextendō
  19. Latinextēnsus
  20. Late Latinextensīvus
  21. Middle Englishextensive
  22. Englishextensive
  23. English todaycoextensive

From co- + extensive.

Etymology from Wiktionary, CC BY-SA 4.0.