Etymology

functional

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Today it means: In good working order. Full definition →

Proto-Indo-European *h₂élisder.? ← English function ← Middle French function
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The story

  1. Proto-Indo-European*bʰewg-
  2. Proto-Indo-European*bʰunégti
  3. Proto-Italic*fungōr
  4. Latinfungor
  5. Latinfūnctiō
  6. Old Frenchfonction
  7. Middle Frenchfunction
  8. Englishfunction
  9. Proto-Indo-European*h₂el-
  10. Proto-Indo-European*h₂élisder.?
  11. English todayfunctional

From function + -al.

Etymology from Wiktionary, CC BY-SA 4.0.