English

ergonic

From ergon + -ic.

Formed from ergon + -ic

Proto-Indo-European *werǵ- ‘to make’

Proto-Indo-European *wérǵom ‘work’

Proto-Hellenic *wérgon ‘work’

Ancient Greek ἔργον ‘work or deed of war’

English ergon

Today it means

adj Pertaining to energy, especially the expenditure or transfer of energy.

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