English
Spacearium
Blend of space + planetarium; by surface analysis, space + -arium.
A blend of space + planetarium
Proto-Indo-European *(s)peh₂- ‘to stretch’
Latin spatium ‘space’
Old French espace ‘space’
Anglo-Norman space
Middle English space
English space
Ancient Greek πλανάω ‘to make to wander, lead wandering about’
Ancient Greek πλανήτης ‘wanderer, vagabond’
Latin planēta ‘planet’
New Latin planētārium
English planetarium
Today it means
noun A large room designed to display projections of outer space on its interior; a planetarium.
Language periods are conventional ranges, not dates for this word.
Etymograph / Spacearium