Etymology

quadrivalent

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Today it means: Having a valence of four. Full definition →

English quadri- ← Latin quadri- ← Proto-Italic *kʷetru-
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The story

  1. Proto-Indo-European*kʷetwóres
  2. Proto-Indo-European*kʷetwr̥-
  3. Proto-Italic*kʷetru-
  4. Latinquadri-
  5. Englishquadri-
  6. English todayquadrivalent

From quadri- + -valent.

Etymology from Wiktionary, CC BY-SA 4.0.