The story
- Proto-Indo-European*welH-
- Proto-Italic*walso-
- Latinvallum
- Proto-West Germanic*wall
- Old Englishweall
- Middle Englishwal
- Englishwall
- Proto-Indo-European*wert-
- Proto-Germanic*wardaz
- English todaywallward
Etymology from Wiktionary, CC BY-SA 4.0.