The story
- Proto-Indo-European*h₂ent-
- Proto-Indo-European*h₂énts
- Proto-Indo-European*h₂énti
- Ancient Greekᾰ̓ντῐ́ (ăntĭ́)
- Ancient Greekἀντι- (anti-)
- Englishanti-
- Englishclerical
- Englishanticlerical
- English todayanticlericalism
From anticlerical + -ism.
Etymology from Wiktionary, CC BY-SA 4.0.