c.1600, from French prototype (16c.) and directly from Medieval Latin prototypus "original, primitive," from Greek prototypon "a first or primitive form," noun use of neuter singular of prototypos "original, primitive," from protos "first" (see proto-) + typos "impression, mold, pattern" (see type (n.)). In English from 1590s as prototypon.
prototype pro·to·type (prō'tə-tīp')
n.
A primitive or ancestral form or species.
The creation of a model and the simulation of all aspects of a product. CASE tools support different degrees of prototyping. Some offer the end-user the ability to review all aspects of the user interface and the structure of documentation and reports before code is generated.