English

agroenergy

From agro- + energy.

Proto-Indo-European *h₂éǵros ‘field, pasturage’

Proto-Italic *agros ‘field’

Latin ager ‘field’

English agro-

Proto-Indo-European *werǵ- ‘to make’

…

Ancient Greek ἐνεργός ‘active’

Ancient Greek ἐνέργεια ‘activity’

Late Latin energia

Middle French énergie

Today it means

noun energy derived from agricultural activity, typically from the combustion of biomass

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

Etymograph / agroenergy