in embryo
At the very earliest stages of development, progress, or formation. The new London office is still very much in embryo, but we are about to begin an active recruiting campaign to bring in talented staff.
in ˈembryo
still in a very early stage of development: We have just one editor and a reporter, so you could say that the newspaper exists in embryo.An embryo is an animal or a plant in the very early stages of its development before it is born, comes out of its egg, etc.