English

hemilateral

From hemi- + lateral.

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

Proto-Indo-European *sēmi ‘half’

English hemi-

Latin latus ‘the side or flank’

Latin laterālis ‘belonging to the side’

Today it means

adj Relating to one lateral half of the body

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

Etymograph / hemilateral