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Etymology

coagulation

/koʊˌæɡjʊˈleɪʃən/

noun

Origin

Latin

coagulare — to curdle or congeal

Overview

Meaning Now

  • The process by which a liquid, especially blood, changes to a solid or semi-solid state.

Literal older meaning

the act of driving or gathering together

Language path

Latin → Middle French → English

Earliest form

coagulacion

Earliest period

15th century

Journey

The term is rooted in the Roman practice of using 'coagulum' (rennet) to curdle milk for cheesemaking. It entered English via medical Latin and French, eventually becoming a standard term in both chemistry and hematology.

Evolution

  1. Latin

    coagulum

    “rennet; that which causes curdling”

    From co- (together) + agere (to drive/act).

  2. Latin

    coagulare

    “to curdle, to cause to congeal”

  3. Middle French

    coagulation

    “process of curdling”

  4. English

    coagulation

    “the thickening of a liquid into a clot”

Connections

Word parts

co-

prefix

together

ag-

root

to drive or act

-ulate

suffix

verbal suffix forming process

-ion

suffix

noun suffix indicating state or act

Related across languages

  • French

    coagulation

    coagulation

  • Spanish

    coagulación

    coagulation

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