Middle English word hert comes from Proto-Indo-European *ḱóru, Proto-Indo-European *kerw-, Proto-Indo-European *kerud-, Proto-Indo-European *ḱerh₂-, and later Proto-Germanic *herutaz (Deer, stag.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *ḱóru | Proto-Indo-European (ine-pro) | |
| *kerw- | Proto-Indo-European (ine-pro) | |
| *kerud- | Proto-Indo-European (ine-pro) | |
| *ḱerh₂- | Proto-Indo-European (ine-pro) | |
| *kerudos | Proto-Germanic (gem-pro) | |
| *herutaz | Proto-Germanic (gem-pro) | Deer, stag. |
| heorot | Old English (ang) | Early form of heort: hart. |
| heorut | Old English (ang) | |
| hert | Middle English (enm) |