English

algaculture

From alga + culture, after agriculture, etc.

A compound of alga + culture

Latin alga ‘seaweed’

English alga

Proto-Indo-European *kʷelh₁- ‘to turn’

…

Latin colō ‘to till, cultivate’

Latin cultus ‘tilled, cultivated’

Latin cultūra ‘cultivation’

Middle French culture ‘cultivation; culture’

Today it means

noun Farming of algae (and/or kelp).

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

Etymograph / algaculture