English

hemielliptic

From hemi- + elliptic.

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

Proto-Indo-European *sēmi ‘half’

English hemi-

Proto-Indo-European *leykʷ- ‘to leave behind’

Ancient Greek λείπω ‘to leave’

Ancient Greek ἐλλείπω ‘I leave out, omit’

Ancient Greek ἐλλειπτικός ‘defective’

Today it means

adj Having the form of half an ellipse

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

Etymograph / hemielliptic