| Word | *ḱrdios | 
|---|---|
| Meaning | heart, center | 
| See also | Proto-Indo-European: *k̂erd- (nom. k̂ēr, acc. k̂érd-m̥ gen. k̂r̥d-ós)
                    ‘heart’ Hittite: ke-er ‘heart, center, core’ Hittite: kar-di- ‘heart, core’ C. Luwian: za-ar-ta ‘heart’ Palaic: ka-a-ar-ti ‘heart’ Avestan: zǝrǝd- ‘heart’ Tocharian B: käryā ‘heart’ | 
| Other words that might be of interest | |
| *sḗgwr / sḗgwn ‘urine’, *gēsar ‘hand’, *lālo ‘tongue, speech, talk’, *podo ‘foot’ | |