The word ‘metaphysics’ and the concept of metaphysics

The word ‘metaphysics’ is not easy to define. It is derived from a collective title of the fourteen books by Aristotle that we use to call nowadays “Aristotle’s Metaphysics.”
However, Aristotle himself did not know the word. He had four names for the branch of philosophy that is the subject-matter of Metaphysics: ‘first philosophy’, ‘first science’, [...]