English
extracardiac
From extra- + cardiac.
Proto-Indo-European *h₁éǵʰs ‘out’
Proto-Indo-European *h₁eǵʰsteros
Proto-Italic *eksteros
Latin exter ‘being on the outside’
Latin extrā ‘outside, except, beyond’
English extra-
Proto-Indo-European *ḱerd- ‘heart’
…
Ancient Greek κᾰρδῐ́ᾱ ‘heart’
Ancient Greek κᾰρδῐᾰκός ‘concerning the heart’
Latin cardiacus ‘related to the heart or stomach’
Middle French cardiaque
English cardiac
Today it means
adj Outside the heart
Language periods are conventional ranges, not dates for this word.
Etymograph / extracardiac