English
agrichar
From agri- + char, a US trademark.
Proto-Indo-European *h₂éǵros ‘field, pasturage’
Proto-Italic *agros ‘field’
Latin ager ‘field’
English agri-
Today it means
noun Biochar produced by a slow pyrolysis process.
Language periods are conventional ranges, not dates for this word.
Etymograph / agrichar