The Collaborative International Dictionary of English v.0.48:
Cormogeny \Cor*mog"e*ny\ (k[^o]r*m[o^]j"[-e]*n[y^]), n. [Gr.
kormo`s trunk of a tree + root of gi`gnesqai to be born.]
(Biol.)
The embryological history of groups or families of
individuals.
[1913 Webster]