matronymic

Of, relating to, or derived from the name of one’s mother or maternal ancestor.

A name so derived.

Pertaining to or being a name derived from a mother or maternal ancestor.

A name derived from a mother or maternal ancestor: correlative to patronymic.

A word of a form used for matronymic designation; a matronymic formation.

See metronymic.

Of, relating to, or derived from the given name of one’s mother or a female ancestor.

A surname or byname acquired from the given name of one’s mother’s or from a female ancestor’s given name.

a name derived from the name of your mother or a maternal ancestor