English
antiadultery
From anti- + adultery.
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 *h₂el- ‘beyond, other’
…
Proto-Italic *aliteros ‘other (of two)’
Latin alterum/alteram
Latin adulterō ‘to commit adultery (with)’
Latin adulterium
English adultery
Today it means
adj Opposing adultery.
Language periods are conventional ranges, not dates for this word.
Etymograph / antiadultery