Etymology

quad-

Today it means: Involving four elements. Full definition →

Latin quattuor
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The story

  1. Latin · derived fromquattuor“four”
  2. English todayquad-

Reduced form of quadri-, from Latin quattuor (“four”).

Words from the same roots

Latinquattuor all →

cotoquadriporticusquadriviumquattuordecuplequattuorquadragintillionquattuortrigintillion

Etymology from Wiktionary, CC BY-SA 4.0.