English

halfspace

From half + space.

A compound of half + space

Proto-Germanic *halbaz

Proto-West Germanic *halb

Old English healf

Middle English half

English half

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 Either of the two parts of a three-dimensional object cut by a two-dimensional plane

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

Etymograph / halfspace