Where does “cardiaque” come from?

cardiaque (Middle French) comes from Latin cardiacus, from Ancient Greek καρδιακός, from Ancient Greek Καρδία, from Proto-Hellenic kərdíyā, from Proto-Indo-European ḱr̥díyeh₂, from Proto-Indo-European ḱḗr — heart.

Ancestry of “cardiaque”, step by step

StepLanguageWordMeaning
1Latincardiacusrelated to the heart or stomach (particularly for diseases or ailments)
2Ancient Greekκαρδιακόςconcerning the heart; suffering from a heart...
3Ancient GreekΚαρδίαheart (as the source of emotion, love, etc.)
4Proto-Hellenickərdíyā
5Proto-Indo-Europeanḱr̥díyeh₂
6Proto-Indo-Europeanḱḗrheart

Words derived from “cardiaque

Every word from Proto-Indo-European ḱḗrEvery word from Proto-Indo-European ḱr̥díyeh₂Every word from Proto-Hellenic kərdíyā