Where does “treatise” come from?

Treatise comes from Middle English tretys, from Old French traitis and traictier, from Latin tracto and traho, meaning to draw or handle.

treatise (English): A formal, usually lengthy, systematic discourse...

Definitions

  1. A formal, usually lengthy, systematic discourse...

Ancestry of “treatise”, step by step

StepLanguageWordMeaning
1Middle EnglishtretysHaving seemly or attractive proportions; i.e....
2Anglo-Normantretiztreatise
3Old Frenchtraitierto deal with, treat
4Latintractāre
5Latintractōto tug, drag or haul
6Latin-tōForms here
7Latin-tusForms the past participle of verbs; Forms...
8Proto-Italic-tus
9Proto-Indo-European-tusDerives action nouns from verb roots

Words derived from “treatise

Every word from Proto-Indo-European -tusEvery word from Latin -tusEvery word from Latin -tō