Late 19th century; earliest use found in John S. Billings (1838–1913). From miso- + ancient Greek παιδ-, παῖς boy, child + -ia, after Hellenistic Greek μισοπαιδ-, μισόπαις hating one's children.
Definition of misopaedia in US English:
misopaedia
nounˌmɪsə(ʊ)ˈpiːdɪə
rare
Hatred or dislike of children.
Origin
Late 19th century; earliest use found in John S. Billings (1838–1913). From miso- + ancient Greek παιδ-, παῖς boy, child + -ia, after Hellenistic Greek μισοπαιδ-, μισόπαις hating one's children.