metronymic

Her forehand was clean and metronymic, her backhand powerful and poised.

Descent henceforth was reckoned in the paternal line, and society had become patronymic instead of metronymic.

Strictly speaking, therefore, there has never been a matriarchal stage of social evolution, but rather a maternal or metronymic stage.

The Iroquois Indians, among whom Morgan lived, were a typical maternal or metronymic people.

Among many tribes of the North American Indians this metronymic or maternal system was peculiarly well-developed.