Where does “cardio-” come from?

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

cardio- (Romanian): cardio

Definitions

  1. cardio

Ancestry of “cardio-”, step by step

StepLanguageWordMeaning
1Frenchcardio-cardio
2Ancient GreekΚαρδίαheart (as the source of emotion, love, etc.)
3Proto-Hellenickərdíyā—
4Proto-Indo-Europeanḱr̥díyeh₂—
5Proto-Indo-Europeanḱḗrheart
Every word from Proto-Indo-European ḱḗr →Every word from Proto-Indo-European ḱr̥díyeh₂ →Every word from Proto-Hellenic kərdíyā →
cardio- — Etymology, Origin & Word History | Etymology Explorer