Meta is a prefix that means transcending, more comprehensive or a higher
level of abstraction.
The prefix 'meta-' comes from the Greek
preposition and prefix 'μετα-', which meant "after", "beside", "with", "among",
"beyond", "adjacent" and "self".
Examples
Metaphysics is an abstract theory with no basis in reality.
Metalanguage is a language operating on a higher level to describe
properties of the plain language.
Metamorphosis is a transformation into a different physical form.
Metastasis is a pathogenic agent's spread from an initial or primary site to
a different or secondary site within the host's body.