English
antiarson
From anti- + arson.
Proto-Indo-European *h₂ent- ‘forehead’
Proto-Indo-European *h₂énts ‘forehead’
Proto-Indo-European *h₂énti ‘opposite’
Ancient Greek ᾰ̓ντῐ́ ‘over against, opposite’
English anti-
Proto-Indo-European *h₂eHs- ‘to be dry, to dry’
…
Latin āreō ‘to be dry’
Latin āridus ‘dry, parched, withered, arid’
Latin ardeō ‘to burn’
Old French arson ‘burning’
English arson
Today it means
adj Opposing or preventing arson.
Language periods are conventional ranges, not dates for this word.
Etymograph / antiarson