prototype
nounmasculinetécnico/pɾu.tu.ˈtʲi.pu/medium
pro·tó·ti·po
Definition
An initial model of a product, used for testing and development.
The prototype was presented at the technology fair.
We are working on the prototype of the new device.
Etymology
Do grego 'prototypos', que significa 'modelo' ou 'exemplo'.