The story
- Proto-Indo-European*weyk-
- Latinvicis
- Latinvicārius
- Proto-Indo-European*h₃ed-
- Proto-Indo-European*h₃édosder.?
- English todayvicarious
From Latin vicārius (“vicarious, substituted”) + English -ous. First attested in the 17th century. Doublet of vicar.
Etymology from Wiktionary, CC BY-SA 4.0.