English

equivolume

From equi- + volume.

Old Latin aiquos

Latin aequus ‘equal’

English equi-

Proto-Indo-European *welH- ‘to roll’

…

Proto-Italic *welūmən

Latin volūmen ‘book, roll, scroll’

Old French volume ‘volume’

Middle English volume

Today it means

adj Having equal volume

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

Etymograph / equivolume