English word cardiac comes from Proto-Indo-European *ḱr̥d-
| Dictionary entry | Language | Definition |
|---|---|---|
| *ḱr̥d- | Proto-Indo-European (ine) | |
| καρδία | Ancient Greek (grc) | |
| καρδιακός | Ancient Greek (grc) | |
| cardiacus | Latin (lat) | |
| cardiaque | Middle French (frm) | |
| cardiac | English (en) | (medicine, archaic) Exciting action in the heart, through the medium of the stomach; cordial; stimulant.. Pertaining to the cardia.. Pertaining to the heart. (dated) Heart disease.. (medicine) A medicine that excites action in the stomach.. A person with heart disease. |