About the name

Peri pragmaton - περὶ πραγμάτων - is Ancient Greek for “about things”, or “concerning matters”.

Ταράσσει τοὺς ἀνθρώπους οὐ τὰ πράγματα, ἀλλὰ τὰ περὶ τῶν πραγμάτων δόγματα.

Tarassei tous anthrōpous ou ta pragmata, alla ta peri tōn pragmatōn dogmata.

Men are disturbed not by things, but by their opinions about things.

— Epictetus, Enchiridion 5