oophagy
/əʊˈɒfədʒi/Zoology
noun
The eating of eggs; (now especially) the consumption by a developing fetus of ova produced by the mother (notably in some shark species).
Origin
Mid 19th century; earliest use found in Ibis: a quarterly journal of ornithology. From oo- + -phagy, originally after German Oophagie.