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adequation

noun
ad·​e·​qua·​tion | \ˌa-də-ˈkwā-shən\
plural -s

Definition of adequation 

1 : the result of making equal or adequate : equivalence

2 : the act of making adequate : the act of making equal or commensurate

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First Known Use of adequation

1605, in the meaning defined at sense 1

History and Etymology for adequation

Late Latin adaequation-, adaequatio, from Latin adaequatus + -ion-, -io -ion

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The first known use of adequation was in 1605

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