Inherited from Proto-Italic *kord, from Proto-Indo-European *ḱḗr ~ *ḱr̥d- (“heart”). Cognate with Ancient Greek καρδίᾱ (kardíā), Gothic 𐌷𐌰𐌹𐍂𐍄𐍉 (hairtō), Old English heorte, English heart, Sanskrit हृदय (hṛdaya), Hittite 𒆠𒅕 (kir), Old Church Slavonic срьдьце (srĭdĭce).