derived from the Greek word kardia, καρδία (heart; the heart; the thoughts or feelings (mind); also (by analogy) the middle)

derived from the Byzantine Greek word epi, ἐπί (upon; properly, meaning superimposition (of time, place, order, etc.), as a relation of distribution (with the genitive case); over, upon, etc.; of rest (with the dative case) at, on, etc.; of direction (with the accusative case) towards, upon, etc.)

derived from the New Latin word epicardium