cardiac (adj.) “of or pertaining to the heart,” c. 1600, from French cardiaque (14c.) or directly from Latin cardiacus, from Greek kardiakos “pertaining to the heart,” from kardia “heart” (from PIE root *kerd- “heart”).
cardiac (adj.) “of or pertaining to the heart,” c. 1600, from French cardiaque (14c.) or directly from Latin cardiacus, from Greek kardiakos “pertaining to the heart,” from kardia “heart” (from PIE root *kerd- “heart”).