What does the root word -graph mean?

The root word "-graph" comes from the Greek word γράφειν (graphein), which means "to write" or "to draw".

It's often used in words related to:

* Writing or recording: Like "autograph" (someone's own writing) or "telegraph" (writing sent over long distances).

* Visual representations: Like "graph" (a visual representation of data) or "photograph" (a picture made using light).

* Processes or devices: Like "stenograph" (a machine for writing shorthand) or "phonograph" (a device for recording and playing back sound).