Etymograph

English

subroom

From sub- + room.

Formed from sub- + room

Proto-Indo-European *upó ‘up; from below’

Proto-Italic *supo ‘under’

Latin sub ‘under, beneath, below’

English sub-

Proto-Indo-European *(H)rewH- ‘to root’

Proto-Germanic *rūmą

Proto-West Germanic *rūm

Old English rūm ‘room’

Middle English roum ‘room’

English room

Today it means

noun A room within a larger room.

Sources

Sources: Wiktionary, “subroom”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / subroom

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