French word cœur comes from Latin chorus (Chorus (all forms).), Latin quare, Proto-Indo-European *ḱerd-, Proto-Indo-European *ḱḗr ~ ḱr̥d-
| Dictionary entry | Language | Definition |
|---|---|---|
| chorus | Latin (lat) | Chorus (all forms). |
| quare | Latin (lat) | (interrogative) by what means, how. (interrogative) from what cause, on what account, why, wherefore. (relative) by which means, whereby. (relative) therefore, and so, hence, for this reason. |
| *ḱerd- | Proto-Indo-European (ine) | |
| *ḱḗr ~ ḱr̥d- | Proto-Indo-European (ine) | |
| *ḱr̥d- | Proto-Indo-European (ine) | |
| *kord | Proto-Italic (itc-pro) | Heart. |
| cor | Latin (lat) | (anatomy) heart. (figuratively) soul, mind. |
| coer | Old French (fro) | |
| cœur | Middle French (frm) | |
| cœur | French (fr) | (anatomy) heart. (card games) hearts (the suit). (geometry) heart, heart shape. (physics) the core of a nuclear reactor. Heart (love). |