The Hittite word kar-di-
Word kar-di-
Transliteration kardi
Meaning heart, core
See also Homeric Greek: καρδία ‘heart’
Homeric Greek: κῆρ ‘heart’
Proto-Indo-European: *k̂erd- (nom. k̂ēr, acc. k̂érd-m̥ gen. k̂r̥d-ós) ‘heart’
Latin: cor ‘heart’
Old Norse: hjarta ‘heart’
Hittite: ke-er ‘heart, center, core’
C. Luwian: za-ar-ta ‘heart’
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
šu-up- ‘to sleep’, ša-a-ua-tar ‘horn’, ge-e-nu ‘knee’, šal-li-iš ‘big, great, large, vast, head, chief’, iš-ta-an-za-na- ‘soul, spirit, mind’, ke-eš-šar ‘hand’, pa-ta- ‘foot, leg’, ša-ku-u̯a ‘eye’, tar-na-aš ‘head, skull’, ḫa-an-za ‘forehead’, te-eš-ḫa- ‘dream, sleep’, šar-ḫu-u̯a-an-da-an ‘belly, innards, foetus’, e-eš-ḫar ‘blood’, ḫa-aš-ta-a-i ‘bone’, te-e-ta-an ‘breast, teat’, ša-an-ku-u̯a-i̯a-aš ‘nail’, iš-ta-mi-na-aš ‘ear’, pa-at-tar ‘wing, feather’, ku-e-en ‘to kill, to slay, to ruin’, le-e-ši ‘liver’, ga-ga-aš ‘tooth’, la-a-la-aš ‘tongue, blade, speech, talk’, ši-i-iš-ḫa-u ‘sweat’, za-ma-kur ‘beard’, du-u-ur ‘urine’, še-e-ḫur ‘urine’, la-a-lu ‘penis’