English

equiareal

From equi- + areal.

A compound of equi- + areal

Old Latin aiquos

Latin aequus ‘equal’

English equi-

Latin ārea ‘a piece of level ground, a vacant place’

Latin āreālis ‘of or pertaining to a threshing floor’

English areal

Today it means

adj Of a map, equal-area.

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

Etymograph / equiareal