English

hemipyramid

From hemi- + pyramid.

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

Proto-Indo-European *sēmi ‘half’

English hemi-

Ancient Greek πῡραμίς

Latin pȳramis

Old French piramide

French pyramide

Today it means

noun A half-pyramid.

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

Etymograph / hemipyramid