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.
這個孩子的母系姓氏是透過在母親的娘家姓後面加上「之子」而形成的。