Where does “tachycardia” come from?

tachycardia (New Latin) comes from Ancient Greek Καρδία, from Proto-Hellenic kərdíyā, from Proto-Indo-European ḱr̥díyeh₂, from Proto-Indo-European ḱḗr — heart.

Ancestry of “tachycardia”, step by step

tachycardia traces back through two separate lines of ancestry.

via Ancient Greek Καρδία

StepLanguageWordMeaning
1Ancient GreekΚαρδίαheart (as the source of emotion, love, etc.)
2Proto-Hellenickərdíyā—
3Proto-Indo-Europeanḱr̥díyeh₂—
4Proto-Indo-Europeanḱḗrheart

via Ancient Greek ταχύς

StepLanguageWordMeaning
1Ancient Greekταχύςswift, quick, fast, rapid; In a short time: soon
2Proto-Indo-Europeandʰn̥gʰ-—
3Proto-Indo-Europeandʰengʰ-to cover; to overcast

Words derived from “tachycardia”

Every word from Proto-Indo-European ḱḗr →Every word from Proto-Indo-European ḱr̥díyeh₂ →Every word from Proto-Hellenic kərdíyā →