-nēəs adjective
Etymology: Latin consanguineus
1. : of the same blood
a consanguineous mating
: descended from the same person (as a father) or the same ancestor
consanguineous brothers
also : of or relating to persons so related
a consanguineous community
— distinguished from affinal ; compare consanguine
2. : of the same origin
consanguineous igneous rocks
• con·san·guin·eous·ly adverb