Etymograph

English

bilinguis

Bilinguis comes from Latin bilinguis ‘double-tongued’, from dingua ‘pre-classical form of lingua’, and ultimately from Proto-Indo-European *dn̥ǵʰwéh₂s ‘tongue’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dn̥ǵʰwéh₂s‘tongue’reconstructed
  2. Proto-Italicc. 1500–700 BCE*dn̥ɣwā‘tongue’reconstructed
  3. Latinc. 75 BCE–200 CEdingua‘pre-classical form of lingua’
  4. Latin, derivedc. 75 BCE–200 CElingua‘tongue’
  5. Latin, derivedc. 75 BCE–200 CEbilinguis‘double-tongued’
  6. Englishtodaysame form

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dn̥ǵʰwéh₂s‘tongue’reconstructed
  2. Proto-Italicc. 1500–700 BCE*dn̥ɣwā‘tongue’reconstructed
  3. Latinc. 75 BCE–200 CEdingua‘pre-classical form of lingua’
  4. Latin, derivedc. 75 BCE–200 CElingua‘tongue’
  5. Latin, derivedc. 75 BCE–200 CEbilinguis‘double-tongued’
  6. Englishtodaysame form

Linked words

through Proto-Indo-European *dn̥ǵʰwéh₂s ‘tongue’

tongue, tung, 19 more

through Latin dingua ‘pre-classical form of lingua’

linguistics, langue, sublingual, 19 more

through Latin lingua ‘tongue’

language, lang, linguistic, lingo, lingual, lingua, linguist, linguine, 22 more

Today it means

adj Double-tongued, deceiving.

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

Etymograph / Proto-Indo-European *dn̥ǵʰwéh₂s / bilinguis