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Etymology

agent

/ˈeɪdʒənt/

noun

Origin

Latin

agere — to do, act, or drive

Overview

Meaning Now

  • A person or thing that takes an active role or produces a specified effect.
  • A person who acts on behalf of another person or group.

Literal older meaning

one who is doing or acting

Language path

Latin → Middle French → English

Earliest form

agent

Earliest period

16th century

Journey

The word entered English during the Renaissance, derived from the Latin active participle 'agens'. It initially referred to forces of nature or philosophical causes, later expanding to include human representatives (such as literary or government agents) by the early 17th century.

Evolution

  1. Proto-Indo-European

    *h₂eǵ-

    “to drive, drag, move”

    Root for actions of movement and conduct.

  2. Latin

    agens, agentem

    “doing, acting”

    Present participle of agere.

  3. Middle French

    agent

    “one who acts”

    Direct borrowing from Latin.

  4. 16th-century English

    agent

    “an actor or deputy”

    Initially used in philosophical and legal contexts.

Connections

Word parts

ag-

root

to do or act

-ent

suffix

agentive suffix forming nouns from participles

Related across languages

  • French

    agent

    agent or officer

  • Italian

    agente

    agent

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