English
ergativity
From ergative + -ity.
A compound of ergative + -ity
Proto-Indo-European *werǵ- ‘to make’
Proto-Indo-European *wérǵom ‘work’
Proto-Hellenic *wérgon ‘work’
Ancient Greek ἔργον ‘work’
Ancient Greek ἐργᾰ́της ‘labourer, worker’
English ergative
Today it means
noun The property of a grammar's (or, by extension, a language's) being ergative; the attribute of possessing a grammatical pattern such that the object of a transitive verb is treated the same way as the subject of an intransitive one, while the subject of the transitive verb is treated differently.
Language periods are conventional ranges, not dates for this word.
Etymograph / ergativity