What is the term that refers to the

original pattern or model from which

all things of the same kind are copied

or on which they are based?

Archetype

Explanation:

First print; original

In everyday speech, this term is used to describe something very old. This term is best explained by a Swiss psychiatrist and founder of analytical psychology - Karl Gustav Jung

The term "archetype" has its origins in ancient Greek. The root words are archaic, meaning "original or old"; to type, what does "pattern, model or type" mean. The combined meaning is an "original pattern" to which all other similar persons, objects or concepts are derived, copied or modeled.