English

interdentil

From inter- + dentil.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

Proto-Indo-European *h₃ed- ‘to bite’

Proto-Indo-European *h₃dónts ‘tooth’

Proto-Italic *dents ‘tooth’

Latin dēns ‘a tooth’

French dentille

Today it means

noun The space between two dentils.

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

Etymograph / interdentil