Where does “Plymentun” come from?
Plymentun (Old English) comes from Old English tūn, from Proto-West Germanic tūn, from Proto-Germanic tūną, from Gaulish dunum, from Proto-Celtic dūnom, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.
Ancestry of “Plymentun”, step by step
Plymentun traces back through two separate lines of ancestry.