adi·​tio | \ə-ˈdi-shē-ˌō\
plural -s

Definition of aditio 

Roman law

: the informal acceptance by an outsider of heirship broadly : the vesting of the inheritance in an heir to a testate or intestate estate or the entering into the inheritance

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First Known Use of aditio

1762, in the meaning defined above

History and Etymology for aditio

Late Latin, from Latin, approach, from aditus (past participle) + -io -ion

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The first known use of aditio was in 1762

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by force of circumstances

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