Etymology

anhydride

A1N1H4Y4D2R1I1D2E1

Today it means: Any compound formally derived from another (or from others) by the loss of a water molecule, especially acid anhydrides. Full definition →

English hydride ← Proto-Indo-European *dʰeh₁- ← Ancient Greek ῠ̔δρο- (hŭdro-)
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The story

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Hellenic*ə-
  4. Ancient Greekᾰ̓- (ă-)
  5. Ancient Greekἀν- (an-)
  6. Englishan-
  7. Proto-Indo-European*wed-
  8. Proto-Indo-European*wódr̥
  9. Proto-Hellenic*údōr
  10. Ancient Greekῡ̆̔́δωρ (hū̆́dōr)
  11. Ancient Greekῠ̔δρο- (hŭdro-)
  12. Englishhydro-
  13. Proto-Indo-European*dʰeh₁-
  14. Englishhydride
  15. English todayanhydride

From an- + hydride. Compare anhydrous and -ide.

Etymology from Wiktionary, CC BY-SA 4.0.