ovo-

Etymology
From.

Prefix

 * 1) egg; ovum
 * 2) * 2006, Thomas Pynchon, Against the Day, Vintage 2007, p. 611: [cf. oleaginous]
 * This being just at the height of the culte de la mayonnaise then sweeping Belgium, oversize exhibits of the ovoöleaginous emulsion were to be encountered at every hand.