English
antagonizer
From antagonize + -er.
Formed from antagonize + -er
Proto-Indo-European *h₂eǵ- ‘to drive’
…
Ancient Greek ᾰ̓́γω ‘to lead’
Ancient Greek ἀγών ‘a struggle’
Ancient Greek ἀγωνίζομαι ‘to struggle, exert oneself’
Ancient Greek ἀνταγωνίζομαι ‘to struggle against, prove a match for’
English antagonize
Today it means
noun One who, or that which, antagonizes.
Language periods are conventional ranges, not dates for this word.
Etymograph / antagonizer