The story
- Proto-Indo-European*twey-?
- Proto-Indo-European*tweys-
- Proto-Indo-European*twéys-e-ti
- Proto-Hellenic*tséihō
- Ancient Greekσείω (seíō)
- Ancient Greekσεισμός (seismós)
- Englishseismo-
- 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 Greekγρᾰ́φω (grắphō)
- Ancient Greekγραφή (graphḗ)
- Englishcardiography
- English todayseismocardiography
From seismo- + cardiography.
Etymology from Wiktionary, CC BY-SA 4.0.