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Etymology

gaslighting

/ˈɡæslaɪtɪŋ/

noun

Origin

English

Gas Light — Title of a play and film featuring dimming gas-powered lights to cause confusion.

Overview

Meaning Now

  • A form of psychological manipulation in which a person seeks to sow seeds of doubt in a targeted individual or in members of a targeted group, making them question their own memory, perception, or sanity.

Language path

English

Earliest form

gaslighting

Earliest period

1944

Journey

The term is eponymously derived from Patrick Hamilton's 1938 play 'Gas Light'. In the story, a man dims the house's gas-powered lights and then denies that the lights have changed when his wife points it out, convincing her that she is hallucinating or losing her grip on reality to hide his criminal activities.

Evolution

  1. 1938

    Gas Light

    “A theatrical play where a husband manipulates his wife into believing she is losing her mind.”

    Original stage production.

  2. 1940s-1960s

    Gaslight

    “The act of isolating and manipulating a spouse, as depicted in the 1944 film.”

    Cultural reference.

  3. 1970s-present

    gaslighting

    “General psychological term for systematic manipulation.”

    Psychological terminology.

Connections

Word parts

gas

root

fuel source

light

root

illumination

-ing

suffix

action

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External references use DefinedTerm semantics.