Dutch word haard comes from Latin crescendum, Proto-Indo-European *kret-, Proto-Indo-European *ḱóru, Proto-Indo-European *kerh₂-, Proto-Indo-European *kerw-, Proto-Indo-European *kerud-, Proto-Indo-European *ḱerh₂-, and later Proto-Germanic *harduz (Brave. Hard.)
| Dictionary entry | Language | Definition |
|---|---|---|
| crescendum | Latin (lat) | |
| *kret- | Proto-Indo-European (ine-pro) | |
| *ḱóru | Proto-Indo-European (ine-pro) | |
| *kerh₂- | Proto-Indo-European (ine-pro) | |
| *kerw- | Proto-Indo-European (ine-pro) | |
| *kerud- | Proto-Indo-European (ine-pro) | |
| *ḱerh₂- | Proto-Indo-European (ine-pro) | |
| *harduz | Proto-Germanic (gem-pro) | Brave. Hard. |
| *kerudos | Proto-Germanic (gem-pro) | |
| *kérh₃tos | Proto-Indo-European (ine-pro) | |
| *kor- | Proto-Indo-European (ine-pro) | |
| sincerus | Latin (lat) | Clean, pure, sound.. Genuine, sincere.. Real, natural.. Uninjured, whole. |
| hart | Old Dutch (odt) | Hard. |
| *herþaz | Proto-Germanic (gem-pro) | Hearth, fireplace. |
| *herutaz | Proto-Germanic (gem-pro) | Deer, stag. |
| *herth | Old Dutch (odt) | |
| hirot | Old Dutch (odt) | |
| hiret | Old Dutch (odt) | |
| hāert | Middle Dutch (dum) | |
| haard | Dutch (nld) | Fireplace. Hearth. Place where a disease or disaster begins. |