English
heteroantagonism
From hetero- + antagonism.
Formed from hetero- + antagonism
Proto-Indo-European *sem- ‘one, whole’
Proto-Indo-European *sḿ̥teros
Proto-Hellenic *hə́teros
Ancient Greek ἕτερος ‘other, another, different’
English hetero-
Proto-Indo-European *h₂eǵ- ‘to drive’
…
Ancient Greek ᾰ̓́γω ‘to lead’
Ancient Greek ἀγών ‘contest’
Ancient Greek ἀνταγωνίζομαι ‘antagonize’
Ancient Greek ἀνταγωνιστής ‘opponent’
English antagonism
Today it means
noun Antagonism between different species in a shared environment.
Language periods are conventional ranges, not dates for this word.
Etymograph / heteroantagonism