English

ergism

From ergo- (“work”) + -ism.

Formed from ergo- ‘work’ + -ism

Proto-Indo-European *werǵ- ‘to make’

Proto-Indo-European *wérǵom ‘work’

Proto-Hellenic *wérgon ‘work’

Ancient Greek ἔργον ‘work or deed of war’

English ergo-

Today it means

noun The belief that good works are necessary for salvation.

Language periods are conventional ranges, not dates for this word.