mat·ri·lin·e·al
adjective/ˌmætrɪˈlɪniəl/
/ˌmætrɪˈlɪniəl/
(specialist)- used to describe the relationship between mother and children that continues in a family with each generation, or something that is based on this relationship
母系的；基于母系的 - She traced her family history by matrilineal descent (= starting with her mother, her mother's mother, etc.).
她按母系血统追溯她的家族史。
Word Originearly 20th cent.: from Latin mater, matr- ‘mother’ + lineal. - She traced her family history by matrilineal descent (= starting with her mother, her mother's mother, etc.).