According to Wikipedia:
- A patronymic is a name based on the given name of one's father, grandfather or an even-earlier male ancestor.
- A matronymic is a name based on the given name of one's mother, grandmother or an even-earlier female ancestor.
Is there a gender-neutral word for this?
- A ---------- is a name based on the given name of one's parent, grandparent or an even-earlier ancestor.