Etymograph

English

teethe

Teethe comes from Middle English tethen ‘to tooth or teeth’, and goes back to Proto-Indo-European *h₃ed- ‘to bite’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₃ed-1‘to bite’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*h₃dónts2‘tooth’reconstructed
  3. Proto-Germanicc. 500 BCE–200 CE*tanþs3‘tooth’reconstructed
  4. Proto-Germanic, derivedc. 500 BCE–200 CE*tanþijaną3‘to teethe’reconstructed
  5. Proto-West Germanicc. 200–500 CE*tanþijan3‘to teethe’reconstructed
  6. Old Englishc. 450–1150tēþan3‘to teethe’
  7. Middle Englishc. 1150–1500tethen3‘to tooth or teeth’
  8. Englishtodayteethe3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-Indo-European *h₃dónts
  2. 2 Wiktionary, Proto-Germanic *tanþs
  3. 3 Wiktionary, English teethe

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₃ed-Wiktionary, Proto-Indo-European *h₃dónts‘to bite’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*h₃dóntsWiktionary, Proto-Germanic *tanþs‘tooth’reconstructed
  3. Proto-Germanicc. 500 BCE–200 CE*tanþsWiktionary, English teethe‘tooth’reconstructed
  4. Proto-Germanic, derivedc. 500 BCE–200 CE*tanþijanąWiktionary, English teethe‘to teethe’reconstructed
  5. Proto-West Germanicc. 200–500 CE*tanþijanWiktionary, English teethe‘to teethe’reconstructed
  6. Old Englishc. 450–1150tēþanWiktionary, English teethe‘to teethe’
  7. Middle Englishc. 1150–1500tethenWiktionary, English teethe‘to tooth or teeth’
  8. EnglishtodayteetheWiktionary, English teethe

Linked words

through Proto-Indo-European *h₃ed- ‘to bite’

odor, annoy, ozone, trident, egregious, odious, denture, redolent, dentin, osmium, dentate, odium, 63 more

through Proto-Indo-European *h₃dónts ‘tooth’

dental, dent, zinc, dens, toothless, dancy, 47 more

through Proto-Germanic *tanþs ‘tooth’

tooth, tusk, 2 more

Today it means

verb To grow teeth.

Sources

Sources: Wiktionary, “teethe”; the older steps come from the Wiktionary entries for Proto-Indo-European *h₃dónts, Proto-Germanic *tanþs. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Proto-Indo-European *h₃ed- / teethe