tachygraph

[ tak-i-graf, -grahf ]
/ ˈtæk ɪˌgræf, -ˌgrɑf /

noun

tachygraphic writing.
a person who writes or is skilled in writing tachygraphy.

Origin of tachygraph

First recorded in 1800–10; tachy- + -graph
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019