Where does “torrentueux” come from?

torrentueux (French) comes from French torrent, from Italian torrente, from Latin torrēns, from Latin torrere, from Latin torreo, from Proto-Italic torzēō, from Proto-Indo-European tres-, from Proto-Indo-European ter- — boundary, end.

Ancestry of “torrentueux”, step by step

StepLanguageWordMeaning
1FrenchtorrentA torrent
2Italiantorrentestream, creek, torrent
3Latintorrēnsscorching, burning, parching
4Latintorrerepresent active infinitive of torreō;...
5LatintorreoI scorch, burn, parch; I roast, bake; I nip,...
6Proto-Italictorzēōto burn, scorch
7Proto-Indo-Europeantres-to tremble
8Proto-Indo-Europeanter-tender, weak; young creature
9Italiantermineend, close; limit, term, date, time; term, word
10Latinterminusa boundary, limit, end
11Proto-Italictermenos
12Proto-Indo-Europeantérmn̥boundary, end
Every word from Proto-Indo-European térmn̥