OED [etymology: Greek arche ("first") + "type"]
1. a. The original pattern or model from which copies are made; a prototype
b. in Comparative Anatomy. An assumed ideal pattern of the fundamental structure of each great division of organized beings, of which the various species are considered as modifications.
2. In the psychology of C. G. Jung: a pervasive idea, image, or symbol that forms part of the collective unconscious.
> archetypal: Freely used in Literary Criticism, esp. of motifs which recur in mythologies, fairy tales, etc., e.g. the Great Mother, the Wise Man, the Enchanted Prince, and by extension of any pervasive symbolic representation