English

hammerspace

From hammer + space.

A compound of hammer + space

Proto-Germanic *hamaraz ‘tool with a stone head’

Proto-West Germanic *hamar

Old English hamor

Middle English hamer ‘a hammer’

Proto-Indo-European *(s)peh₂- ‘to stretch’

Latin spatium ‘space’

Old French espace ‘space’

Anglo-Norman space

Middle English space

English space

Today it means

noun A notional extradimensional storage space able to contain objects larger than itself.

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

Etymograph / hammerspace