English

hemiscreen

From hemi- + screen.

Proto-Indo-European *sem- ‘one, whole’

Proto-Indo-European *sēmi ‘half’

English hemi-

Proto-Indo-European *(s)ker- ‘to cut off, sever’

…

Old Dutch skirm

Middle Dutch scherm

Anglo-Norman escren ‘firescreen’

Middle English scren

Today it means

noun Either half of a screen that has been divided into two

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

Etymograph / hemiscreen