Where does “Hengestdun” come from?

Hengestdun (Old English) comes from Old English dūn, from Proto-Germanic *dūnā, from Proto-Celtic dūnom, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

Hengestdun (Old English): The site of the Battle of Hingston Down, probably the hill of Hingston Down in Cornwall

Definitions

  1. The site of the Battle of Hingston Down, probably the hill of Hingston Down in Cornwall

Ancestry of “Hengestdun”, step by step

Hengestdun traces back through two separate lines of ancestry.

via Old English dūn

StepLanguageWordMeaning
1Old Englishdūnhill, down; hill, dune; hill, mountain
2Proto-Germanic*dūnā—
3Proto-Celticdūnomstronghold, rampart
4Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via Old English hengest

StepLanguageWordMeaning
1Old Englishhengeststallion
2Proto-West Germanichangiststallion
3Proto-Germanichangistazhorse, stallion
4Proto-Indo-Europeanḱanḱest-—
Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Celtic dūnom →Every word from Proto-Germanic *dūnā →