neonaticide

Etymology

From neonate + -cide.

neonaticide means the murder of a newborn within 24 hours of birth. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

The murder of a newborn within 24 hours of birth.“But critics of the law said mothers who immediately kill their babies after giving birth, a practice known as neonaticide, are usually in deep denial about their pregnancies.”
The murderer of a newborn (anyone who practices or who has practiced this kind of murder).