filicide
/ˈfɪlɪsaɪd/noun
mass noun
1- the killing of one's son or daughter杀子女行为：
maternal filicide.
母亲的杀子女行为。
1.1
- count noun a person who kills their son or daughter杀子女者。
词源
mid 17th cent. from Latin filius 'son', filia 'daughter' +-CIDE.