tachygraph means an example of tachygraphy or shorthand, especially an ancient manuscript. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Why “tachygraph” is a great word
A physical manuscript or document written in a system of rapid abbreviation or shorthand. From the combining form tachy- (from Greek ταχύς, takhús, meaning "swift") + -graph (from Greek -γράφος, -gráphos, meaning "writer" or "that which writes"), first recorded in English use 1800–10. Unlike "stenography," which denotes the abstract system or act of shorthand writing, or a generic "manuscript," which can be any handwritten document, a tachygraph is the specific, often ancient, tangible relic produced by that swift practice. It is a brittle scrap of papyrus etched with cryptic hooks and loops, a wax tablet scored with urgent symbols, a parchment where whole speeches collapse into a racing hand—the silent, material evidence of language in a desperate hurry to outrun its own moment.
Etymology
From tachy- + -graph.
noun
- An example of tachygraphy or shorthand, especially an ancient manuscript.