Where does “cardiorespiratoire” come from?

cardiorespiratoire (French) comes from French cardio-, from Ancient Greek Καρδία, from Proto-Hellenic kərdíyā, from Proto-Indo-European ḱr̥díyeh₂, from Proto-Indo-European ḱḗr — heart.

cardiorespiratoire (French): cardiorespiratory

Definitions

cardiorespiratory

Ancestry of “cardiorespiratoire”, step by step

Step	Language	Word	Meaning
1	French	cardio-	cardio-
2	Ancient Greek	Καρδία	—
3	Proto-Hellenic	kərdíyā	—
4	Proto-Indo-European	ḱr̥díyeh₂	—
5	Proto-Indo-European	ḱḗr	heart

Every word from Proto-Indo-European ḱḗr →

cardiorespiratoire — Etymology, Origin & Word History | Etymology Explorer