Etymology

diradical

D2I1R1A1D2I1C3A1L1

Today it means: A divalent radical Full definition →

English radical ← Latin di- ← Ancient Greek δῐ- (dĭ-)
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Hellenic*dwi-
  4. Ancient Greekδῐ- (dĭ-)
  5. Latindi-
  6. Englishdi-
  7. Englishradical
  8. English todaydiradical

From di- + radical.

Etymology from Wiktionary, CC BY-SA 4.0.