English

equiradical

From equi- + radical.

Old Latin aiquos

Latin aequus ‘equal’

English equi-

Proto-Indo-European *wréh₂ds ‘root’

Proto-Italic *wrādīks ‘root’

Latin rādīx ‘root’

Latin rādīcālis ‘of or pertaining to the root, having roots,…’

Middle English radical

Today it means

adj Of surds: arising from the extraction of the same nth root.

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

Etymograph / equiradical