Etymology

quadruplex

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Today it means: Having four components. Full definition →

Latin quadruplex
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The story

  1. Latin · derived fromquadruplex“fourfold, quadruple”
  2. English todayquadruplex

From Latin quadruplex (“fourfold, quadruple”), from quattuor (“four”) + plico (“fold”). By surface analysis, quadru- + -plex.

Etymology from Wiktionary, CC BY-SA 4.0.