Where does “[[herte]], [[harte]]” come from?

[[herte]], [[harte]] (Middle Dutch) comes from Old Dutch herta, from Proto-West Germanic hertā, from Proto-Germanic hertô, from Proto-Indo-European ḱḗr — heart.

Ancestry of “[[herte]], [[harte]]”, step by step

StepLanguageWordMeaning
1Old Dutchhertaheart
2Proto-West Germanichertāheart
3Proto-Germanichertôheart
4Proto-Indo-Europeanḱḗrheart
Every word from Proto-Indo-European ḱḗr →Every word from Proto-Germanic hertô →Every word from Proto-West Germanic hertā →