What is the spagyric?

Sun shining through roof of tree

Spagyric: Of separating and reuniting The word itself comes across a bit spiky: "spagyric". However, if you look at the origin of the word, the basic principle of spagyric becomes immediately clear. Spagyric is a composition of the Greek words "spao" and "ageiro". So the terms for "separate and solve" on the one hand, and for "reunite" on the other hand. [...]