Etymology

amantadine

A1M3A1N1T1A1D2I1N1E1

Today it means: A drug used especially as the hydrochloride C₁₀H₁₇N·HCl to prevent infection (as by an influenzavirus) by interfering with virus penetration into host cells. Full definition →

English amantad- ← Ancient Greek ἀδάμας (adámas) ← Proto-Indo-European *demh₂-
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The story

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Hellenic*ə-
  4. Ancient Greekἀ- (a-)?
  5. Proto-Indo-European*demh₂-
  6. Ancient Greekδαμνάω (damnáō)?
  7. Ancient Greekἀδάμας (adámas)
  8. Englishamantad-
  9. English todayamantadine

From amantad- (“alteration of adamantane”) + -ine.

Etymology from Wiktionary, CC BY-SA 4.0.