Where does “casse-cœur” come from?

casse-cœur (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-cœur (French): heartbreaker; lady-killer, man-killer

Definitions

  1. heartbreaker; lady-killer, man-killer

Ancestry of “casse-cœur”, step by step

casse-cœur 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 Cœur

StepLanguageWordMeaning
1FrenchCœurheart
2Middle FrenchcœurAlternative form of coeur
3Old Frenchcuerheart
4Vulgar Latin*corem
5Latincorheart; soul, mind
6Proto-Italickordheart
7Proto-Indo-Europeanḱḗrheart
Every word from Proto-Indo-European -tus