tractate
/ˈtræktɪt, ˈtræktɪt/; /ˈtrækteɪt/; /ˈtrækteɪt/Definitions
1. noun
A long written discussion or essay on a particular subject, especially one that is part of a larger work.
“The professor assigned a tractate on existentialism for the semester’s reading material.”
2. verb
To discuss or write about something in a detailed and systematic way.
“The author chose to tractate the historical context of the novel.”