From Middle Englishhertbryne, herte-bren(“lust", also "heartburn”, literally “heart burn”), equivalent to heart + burn. Compare also Middle Englishherte-brennyng(“anger, bitterness, heartburn”, literally “burning of/in the heart, heart-burning”). Compare also Ancient Greekκαρδιαλγία(kardialgía), from καρδία(kardía, “heart”) + ἄλγος(álgos, “pain”). From being a burning sensation near the location of the heart in the chest.
Kurdish: Lua error in Module:parameters at line 331: Parameter 1 should be a valid language or etymology language code; the value "ku" is not valid. See WT:LOL and WT:LOL/E.