logograph (n.) Look up logograph at Dictionary.com
"instrument for giving a graphic representation of speech, word-writer," 1879, from logo- "word" + -graph "instrument for recording; something written." Earliest use (1797) is in the sense "logogriph," and it frequently was used in place of that word (see logogriph). In ancient Greek, logographos was "prose-writer, chronicler, speech-writer." Related: Logographic.