The story
- Proto-Indo-European*h₁ep-
- Proto-Indo-European*h₁éps
- Proto-Indo-European*h₁épi
- Proto-Indo-European*ped-
- Proto-Indo-European*pédom
- Proto-Italic*op(i)pedom
- Latinoppidum
- English todayoppidum
Unadapted borrowing from Latin oppidum (“(chiefly walled or fortified) town”).
First known use, by meaning
- from 19th c. A large, defended Iron Age settlement associated with the Celtic La Tène culture.
Etymology from Wiktionary, CC BY-SA 4.0.