Where does “tortuose” come from?

tortuose (Middle English) comes from Old French tortuos, from French tortueux, from Latin tortuōsus, from Latin tortus, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

Ancestry of “tortuose”, step by step

StepLanguageWordMeaning
1Old Frenchtortuos
2Frenchtortueuxtortuous, winding, windy, twisting, twisty;...
3Latintortuōsustwisting, tortuous
4Latintortustwisted, crooked; spun, whirled; bent, distorted
5Latin-tusForms the past participle of verbs; Forms...
6Proto-Italic-tus
7Proto-Indo-European-tusDerives action nouns from verb roots
Every word from Proto-Indo-European -tusEvery word from Latin -tusEvery word from Latin tortus
tortuose — Etymology, Origin & Word History | Etymology Explorer