The story
- Latindis-
- Old Frenchdes-
- Latindis-
- Middle Englishdis-
- Englishdis-
- Englishestablishment
- Englishdis-
- Englishestablish
- Englishdisestablishment
- Englishdisestablishmentarian
- English todaydisestablishmentarianism
From disestablishmentarian + -ism.
Etymology from Wiktionary, CC BY-SA 4.0.