The story
- Proto-Indo-European*kʷelh₁-
- Ancient Greekτῆλε (têle)
- Englishtele-
- Proto-Indo-European*ḱerd-
- Proto-Indo-European*ḱḗr
- Proto-Indo-European*ḱr̥díyeh₂
- Proto-Hellenic*kərdíyā
- Ancient Greekκαρδία (kardía)
- Englishcardio-
- Proto-Indo-European*gerbʰ-
- Proto-Hellenic*grə́pʰō
- Ancient Greekγράφω (gráphō)
- Englishcardiograph
- Englishcardiographic
- English todaytelecardiographic
From tele- + cardiographic.
Etymology from Wiktionary, CC BY-SA 4.0.