proto-doric

Century Dictionary and Cyclopedia

1. In architecture, primitively Doric; noting any style, member, etc., as a column or capital, which exhibits the rudiments of the later-developed Grecian Doric, or is considered as having contributed to the evolution of the Grecian Doric.
2. n. In architecture, primitive or rudimentary Doric. See cut under hypogeum.

GNU Webster's 1913

1. adj. (Arch.) Pertaining to, or designating, architecture, in which the beginnings of the Doric style are supposed to be found.