matrilineal
Syllabification: (mat·ri·lin·e·al)
Pronunciation: /ˌmatrəˈlinēəl, ˌmā-/
Definition of matrilineal
adjective
Origin:
early 20th century: from Latin mater, matr- 'mother' + lineal
early 20th century: from Latin mater, matr- 'mother' + lineal