scriptoris
scriptoris is a Latin form of scriptor, meaning “writer, author; clerk”. It is the genitive singular masculine noun.
Found 35 times in the Latin texts on Socratos.
Where it is used
Horace, Epistulae 2.1.62: ad nostrum tempus Livi scriptoris ab aevo.
All forms of scriptor (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.