naticidium

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

nātĭcīdĭum or ‡ gnātĭcīdĭum, ii, n. [natus-caedo],

the murdering of one's son or child, child-murder : gnaticidium, τεκνοκτονία, Gloss. Philox.