Old English word halig comes from Proto-Indo-European *ki-(eu-), Proto-Indo-European *kóh₂ilus, Proto-Indo-European *kóylos, Proto-Indo-European *koyl-, Proto-Indo-European *kóh₂ilos, Proto-Germanic *hailaz (Omen, portent.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *ki-(eu-) | Proto-Indo-European (ine) | |
| *kóh₂ilus | Proto-Indo-European (ine) | |
| *kóylos | Proto-Indo-European (ine) | |
| *koyl- | Proto-Indo-European (ine) | |
| *kóh₂ilos | Proto-Indo-European (ine) | |
| *hailaz | Proto-Germanic (gem-pro) | Omen, portent. |
| *koil- | Proto-Indo-European (ine) | |
| *hailaz | Proto-Germanic (gem-pro) | Entire, complete. Healthy, sound. Whole, unbroken, intact. |
| *hailzą | Proto-Germanic (gem-pro) | |
| *hailagaz | Proto-Germanic (gem-pro) | Holy, sacred. |
| halig | Old English (ang) | Holy, sacred; pious; sound, healthy. |