Exactly, I believe the term comes from Aristotele's work "τὰ μετὰ τὰ φυσικά", literally "the after the physics", which may have just had a very practical meanin

Exactly, I believe the term comes from Aristotele's work "τὰ μετὰ τὰ φυσικά", literally "the after the physics", which may have just had a very practical meaning: writings that come after the physics writings.