from The American Heritage® Dictionary of the English Language, 4th Edition
- suffix Something written or drawn: monograph.
- suffix An instrument for writing, drawing, or recording: seismograph.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- suffix A group of letters of a specified number.
from the GNU version of the Collaborative International Dictionary of English
- A suffix signifying something written (as in digraph), a writing; also, a writer or an instrument that produces a written or visible record of a measurement, such as a spectrograph.
French -graphe, from Late Latin -graphus, from Greek -graphos, from graphein, to write; see gerbh- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek suffix -γραφω (-graphō), from γράφω (graphō, "to scratch, to scrape, to graze"), from whence also -graphy. (Wiktionary)