What does -graph mean?

-graph meaning in Etymology Dictionary

modern word-forming element meaning "instrument for recording; that which scars or defines; something written," from Greek -graphos "-writing, -writer" (as in autographos "written with an individual's very own hand"), from graphe "writing, the skill of writing, a writing," from graphein "to write, show by written figures," earlier "to-draw, portray by lines drawn" (see -graphy). Adopted extensively (Dutch -graaf, German -graph, French -graphe, Spanish -grafo). Associated: -grapher; -graphic; -graphical.