Where does “dux” come from?
dux (Old English) comes from Proto-Germanic duskaz, from Proto-Indo-European dʰuh₂s-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.
Ancestry of “dux”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Germanic | duskaz | dark, dark-colored, dusky |
| 2 | Proto-Indo-European | dʰuh₂s- | — |
| 3 | Proto-Indo-European | dʰewh₂- | smoke; mist, haze |