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Etymology

incomprehensible

/ˌɪnkəmprɪˈhɛnsəbəl/

adjective

Origin

Latin

incomprehensibilis — not comprehensible; unable to be understood

Overview

Meaning Now

  • not able to be understood; extremely difficult to understand
  • impossible or nearly impossible to comprehend

Literal older meaning

not graspable by the mind

Language path

Latin → Old French → English

Earliest form

incomprehensibill

Earliest period

Middle English

Journey

The word belongs to the large learned vocabulary English took from Latin through French in the Middle Ages and later reinforced in scholarly writing. It is formal but common in educated prose, especially for ideas, speech, handwriting, or explanations that are very hard to follow.

Evolution

  1. Latin

    incomprehensibilis

    “not to be comprehended; not understandable”

    Built from in- + comprehensibilis.

  2. Old French / Anglo-French

    incomprehensible

    “not understandable”

    Passed into English through French legal and learned usage.

  3. Middle English

    incomprehensibill

    “not understandable”

    Early English spelling varies considerably.

  4. Modern English

    incomprehensible

    “not able to be understood”

    Standard adjective in general and formal usage.

Connections

Word parts

in-

prefix

not

comprehens-

root

grasp, understand

-ible

suffix

able to be

Related across languages

  • French

    incompréhensible

    incomprehensible

  • Spanish

    incomprensible

    incomprehensible

  • Italian

    incomprensibile

    incomprehensible

  • Portuguese

    incompreensível

    incomprehensible

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