Which early stage name emphasizes that an object is the *first* form of a star, awaiting its true power source?

Answer

Protostar

Calling the object a protostar emphasizes that it is a proto, or first, form of a star, still gathering mass and awaiting the ignition of fusion.

Which early stage name emphasizes that an object is the *first* form of a star, awaiting its true power source?
astronomybirthstarsstellar evolution