tachygraphy
The art and practice of rapid writing.
uncountable
Stenography or shorthand as done in ancient and medieval times.
historical, uncountable
Tiro, the favourite freedman of Cicero, greatly increased the number, and brought this sort of tachygraphy to its greatest perfection among the Romans.
Where it comes from
Derived from Ancient Greek ταχυγράφος (takhugráphos). By surface analysis, tachy- (“fast”) + -graphy (“writing”).
Adapted from the Wiktionary entry tachygraphy (CC BY-SA 4.0).