Etymology

homeodomain

H4O1M3E1O1D2O1M3A1I1N1

Today it means: A folded protein domain that binds to DNA and has a function in transcription Full definition →

English domain ← Middle English demayne ← Old French demaine
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The story

  1. Proto-Indo-European*sem-
  2. Proto-Indo-European*somHós
  3. Proto-Hellenic*homós
  4. Ancient Greekὁμός (homós)
  5. Ancient Greekὅμοιος (hómoios)
  6. Englishhomeo-
  7. Proto-Indo-European*dem-
  8. Proto-Indo-European*dṓmder.?
  9. Proto-Italic*domVnos
  10. Latindominus
  11. Latindominium
  12. Old Frenchdemaine
  13. Middle Englishdemayne
  14. Englishdomain
  15. English todayhomeodomain

From homeo- + domain.

Etymology from Wiktionary, CC BY-SA 4.0.