The story
- Proto-Indo-European*ḱes-
- Proto-Indo-European*ḱstrom
- Proto-Italic*kastrom
- Latincastrum
- Latincastra
- Old Englishceaster
- Old EnglishMameċeaster
- Middle English[Term?]
- EnglishManchester
- English todayManchesterism
From Manchester + -ism.
Etymology from Wiktionary, CC BY-SA 4.0.