Where does “balistokardiograf” come from?

balistokardiograf (Polish) comes from Polish kardiograf, from Polish kardio-, from Ancient Greek Καρδία, from Proto-Hellenic kərdíyā, from Proto-Indo-European ḱr̥díyeh₂, from Proto-Indo-European ḱḗr — heart.

balistokardiograf (Polish): ballistocardiograph

Definitions

ballistocardiograph

Ancestry of “balistokardiograf”, step by step

balistokardiograf traces back through two separate lines of ancestry.

via Polish kardiograf

Step	Language	Word	Meaning
1	Polish	kardiograf	cardiograph
2	Polish	kardio-	cardio-
3	Ancient Greek	Καρδία	heart (as the source of emotion, love, etc.)
4	Proto-Hellenic	kərdíyā	—
5	Proto-Indo-European	ḱr̥díyeh₂	—
6	Proto-Indo-European	ḱḗr	heart

via Polish balista

Step	Language	Word	Meaning
1	Polish	balista	ballista
2	Latin	ballista	ballista
3	Ancient Greek	βαλλίστρα	catapult, engine of war
4	Ancient Greek	βάλλω	I throw, cast, hurl; I let fall; I strike, touch
5	Proto-Hellenic	*gʷəlnō	—

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