Where does “casse-cou” come from?

casse-cou (French) comes from French casser, from Old French quasser, from Latin quassō, from Latin -tō, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

casse-cou (French): deathtrap; daredevil

Definitions

  1. deathtrap; daredevil

Ancestry of “casse-cou”, step by step

casse-cou traces back through two separate lines of ancestry.

via French casser

StepLanguageWordMeaning
1Frenchcasserto break; to break up
2Old Frenchquasserto break; to annul; to quash
3Latinquassōto shake repeatedly, to quake
4Latin-tōForms here
5Latin-tusForms the past participle of verbs; Forms...
6Proto-Italic-tus
7Proto-Indo-European-tusDerives action nouns from verb roots

via French cou

StepLanguageWordMeaning
1Frenchcouneck
2Latincollumneck, throat; upper stem of a plant; servitude
3Latin-issuffixed to the root of nouns in composition,...
4Latin-asuffixed to the roots of verbs, forms agent...
5Proto-ItalicForms masculine agent nouns from prefixed or compounded bases
6Proto-Indo-European-éh₂
Every word from Proto-Indo-European -tusEvery word from Latin -tusEvery word from Latin -tō