English

mastergroup

From master + group.

A compound of master + group

Proto-Indo-European *méǵh₂s ‘big’

Old Latin magester

Latin magister ‘chief’

Old English mǣster

Middle English maister ‘master’

Vulgar Latin *cruppus

Italian gruppo ‘a knot, heap, group’

French groupe ‘cluster, group’

English group

Today it means

noun A group of supergroups.

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

Etymograph / mastergroup