Skip to main content
Etymology

dichotomy

/daɪˈkɒtəmi/

noun

Origin

Ancient Greek

dichotomia — a cutting in two

Overview

Meaning Now

  • A division or contrast between two things that are or are represented as being opposed or entirely different.
  • A division into two mutually exclusive, opposed, or contradictory groups.

Literal older meaning

a cutting in two

Language path

Ancient Greek → Latin → English

Earliest form

dichotomie

Earliest period

17th century

Journey

In formal logic and philosophy, a dichotomy refers specifically to a 'dichotomous division' where a genus is split into two species that are mutually exclusive and collectively exhaustive. It became a prominent term in academic discourse during the Enlightenment.

Evolution

  1. Ancient Greek

    dichotomia

    “a cutting in two”

    Derived from dicha (in two, asunder) and tome (a cutting).

  2. Latin

    dichotomia

    “a division into two”

    Adopted into Scholastic Latin to describe logical divisions.

  3. 17th Century English

    dichotomie

    “division into two parts”

    Initially used in astronomy and logic.

Connections

Word parts

dicha

root

in two

tome

root

cutting

-y

suffix

forms a noun

Related across languages

  • French

    dichotomie

    dichotomy

Explore next

Related to dichotomy

Get the WordOrigin app

External references use DefinedTerm semantics.