Where does “źʰŕ̥d” come from?

źʰŕ̥d (Proto-Indo-Aryan) comes from Proto-Indo-Iranian ȷ́ʰŕ̥dayam, from Proto-Indo-European ḱḗr — heart.

Ancestry of “źʰŕ̥d”, step by step

StepLanguageWordMeaning
1Proto-Indo-Iranianȷ́ʰŕ̥dayamheart
2Proto-Indo-Europeanḱḗrheart
Every word from Proto-Indo-European ḱḗr →Every word from Proto-Indo-Iranian ȷ́ʰŕ̥dayam →