suus et necessarius heres

noun

su·​us et ne·​ces·​sa·​ri·​us he·​res

ˈsüəˌsetˌnekəˈsärēəsˈhāˌrās

: a family heir including a slave in the paternal power of a decedent at the latter's death who by Roman law becomes sui juris and succeeds to the decedent's property by intestacy or by will

Word History

Etymology

Latin, literally, own and necessary heir

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