"Preexistent" is a word in ENGLISH

To separate the constituent parts of; to resolve into original elements; to set free from previously existing forms of chemical …

A copy from an original; a type of something that has previously existed.

To find out something new; to devise, contrive, and produce something not previously known or existing, by the ex-ercise of …

In patent law. The act or operation of finding out something new; the process of contriving and producing some-thing not …

To exist previously; to exist before something else.

Existence in a former state, or previous to something else.

The abrogation or annulling of a previously existing law by the enact-ment of a subsequent statute which declares that the …

The hypothesis, or doctrine, that living beings have originated by the modification of some other previously existing forms of living …