Etymology

dichotomous

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Today it means: Dividing or branching into two mutually exclusive pieces. Full definition →

Late Latin dichotomos ← Ancient Greek διχότομος
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The story

  1. Ancient Greek · derived fromδιχότομος“cut in half”
  2. Late Latin · borrowed fromdichotomos
  3. English todaydichotomous

From Late Latin dichotomos, from Ancient Greek διχότομος (dikhótomos, “cut in half”). By surface analysis, dichotomy + -ous.

Words from the same roots

Ancient Greekδιχότομος all →

dichotomize

Etymology from Wiktionary, CC BY-SA 4.0.