treatise
noun /ˈtriːtɪs/, /ˈtriːtɪz/
/ˈtriːtɪs/
(formal)- treatise (on something) a long and serious piece of writing on a particular subject
- ‘A Treatise on Probability’ by John Maynard Keynes
- Any of these questions would deserve a lengthy treatise, perhaps even a small book.
Word Originlate Middle English: from Anglo-Norman French tretis, from Old French traitier, from Latin tractare ‘handle’, frequentative of trahere ‘draw, pull’.