The C. Luwian word za-ar-ta
Word za-ar-ta
IPA zārt
Meaning heart
See also Homeric Greek: καρδία ‘heart’
Proto-Indo-European: *k̂erd- (nom. k̂ēr, acc. k̂érd-m̥ gen. k̂r̥d-ós) ‘heart’
Latin: cor ‘heart’
Ossetian (Iron): зæрдæ ‘heart’
Hittite: ke-er ‘heart, center, core’
Hittite: kar-di- ‘heart, core’
Proto-Anatolian: *ḱrdios ‘heart, center’
Palaic: ka-a-ar-ti ‘heart’
Avestan: zǝrǝd- ‘heart’
Tocharian B: käryā ‘heart’

Other words that might be of interest
iš-ša-ri-iš ‘hand’, kal-du-un-ni-iš ‘leg’, la-a-li ‘tongue’, ti-i-ta-ni ‘breast, teat’, ḫar-ma-ḫa ‘head’, pa-ta-a-aš ‘foot’, a-a-aš-ša ‘mouth’, ḫa-a-aš-ša ‘bone’, a-aš-ḫar-ša ‘blood’, tum-ma-a-an ‘ear, hearing’, ta-a-wa- ‘eye’, tap-pa-a-ni-in ‘hair’, pa-a-ar-ta ‘leg, hoof’, tap-pa- ‘to spit’, a-ru-ta- ‘wing’, tar-mi-iš ‘nail, peg’, du-u-ur ‘urine’