Etymology

decoder

D2E1C3O1D2E1R1

Today it means: A person who decodes secret messages Full definition →

English decode ← Middle English code ← Old French code
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The story

  1. Proto-Indo-European*de
  2. Proto-Indo-European*déh₁
  3. Proto-Italic*dē
  4. Latindē
  5. Latindē-
  6. Englishde-
  7. Latincaudex
  8. Latincōdex
  9. Old Frenchcode
  10. Middle Englishcode
  11. Englishcode
  12. Englishdecode
  13. English todaydecoder

From decode + -er.

Etymology from Wiktionary, CC BY-SA 4.0.