matronymic
🇺🇸
/ˌmætrəˈnɪmɪk/
🇬🇧
/ˌmætrəˈnɪmɪk/
A name based on your mother's or a female ancestor's name, often by adding a prefix or suffix.
The child's matronymic was created by adding 'son' to the mother's maiden name.
这个孩子的母系姓氏是通过在母亲的娘家姓后面加上“之子”而形成的。