English
incisor
Incisor comes from Latin incīdō ‘to cut into, cut through’, and goes back to Proto-Indo-European *kh₂eyd-.
- Proto-Indo-Europeanc. 4500–2500 BCE*kh₂eyd-‘to cut, hew’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*kh₂éydetireconstructed
- Proto-Italicc. 1500–700 BCE*kaidō‘to cut, hew, fell’reconstructed
- Latinc. 75 BCE–200 CEcaedō‘to cut, hew, fell’
- Latin, derivedc. 75 BCE–200 CEincīdō‘to cut into, cut through’
- New Latinmodernincīsor
- Englishtodayincisor
attested reconstructed ? uncertain or disputed deepest recorded ancestor
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*kh₂eyd-‘to cut, hew’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*kh₂éydetireconstructed
- Proto-Italicc. 1500–700 BCE*kaidō‘to cut, hew, fell’reconstructed
- Latinc. 75 BCE–200 CEcaedō‘to cut, hew, fell’
- Latin, derivedc. 75 BCE–200 CEincīdō‘to cut into, cut through’
- New Latinmodernincīsor
- Englishtodayincisor
Linked words
through Proto-Indo-European *kh₂eyd- ‘to cut, hew’
through Proto-Italic *kaidō ‘to cut, hew, fell’
through Latin caedō ‘to cut, hew, fell’
decision, cement, precise, circumcision, concise, chisel, excision, caesium, scissor, 29 more
through Latin incīdō ‘to cut into, cut through’
Today it means
noun A narrow-edged tooth at the front of the mouth of mammals, between the canines and adapted for cutting; in humans there are four in each jaw.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *kh₂eyd- / incisor