Etymograph

English

abocclusion

From ab- (“not”) + occlusion (“teeth alignment”).

Formed from ab- ‘not’ + occlusion ‘teeth alignment’

Proto-Indo-European *h₂epo ‘off, away’

English ab-

Proto-Indo-European *kleh₂w- ‘key, hook, nail’

Proto-Italic *klaudō ‘to close’

Latin claudō ‘to shut or close’

Latin occlūdō ‘to shut up or close up’

Late Latin occlūsiō ‘occluding, obstruction’

English occlusion

Today it means

noun Condition in which the upper and lower teeth are not in contact.

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

Etymograph / abocclusion