German word Krieg comes from Proto-Indo-European *gʷreh₂-, and later Proto-Germanic *krīganą (To be stiff, stubborn; to strive.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *gʷreh₂- | Proto-Indo-European (ine) | |
| *gʷr̥h₂éw- | Proto-Indo-European (ine) | |
| *krīganą | Proto-Germanic (gem-pro) | To be stiff, stubborn; to strive. |
| *krīgaz | Proto-Germanic (gem-pro) | Strife; struggle; fight. |
| krig | Old High German (goh) | Defiance. Stubbornness. |
| *krieg | Old High German (goh) | |
| krieg | Old High German (goh) | |
| kriec | Middle High German (gmh) | Enmity. Exertion. Opposition. |
| Krieg | German (de) | War. |