Tironian

From the Latin Tīrōniānus.

Tironian (comparative more Tironian, superlative most Tironian)

1. Of or pertaining to Marcus Tullius Tiro (died circa 4 BCE), scribe of Cicero and inventor of an early shorthand.
   • 1827, John Colin Dunlop, History of Roman Literature from its Earliest Period to the Augustan Age‎, volume II:

     The mark which expressed the word talis, being a little more sloped or inclined, expressed qualis; and the difference in the Tironian signs which stood for the complete words Ager and Amicus, was scarcely perceptible.

• Antirion, trianion