Etymograph

English

biune

Biune comes from Latin unus ‘one’, from Proto-Italic *oinos ‘one’, and ultimately from Proto-Indo-European *h₁óynos ‘one, single’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₁óynos1‘one, single’reconstructed
  2. Proto-Italicc. 1500–700 BCE*oinos1‘one’reconstructed
  3. Old Latinc. 700–75 BCEoinos1
  4. Latinc. 75 BCE–200 CEunus2‘one’
  5. Englishtodaybiune2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin unus
  2. 2 Wiktionary, English biune

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₁óynosWiktionary, Latin unus‘one, single’reconstructed
  2. Proto-Italicc. 1500–700 BCE*oinosWiktionary, Latin unus‘one’reconstructed
  3. Old Latinc. 700–75 BCEoinosWiktionary, Latin unus
  4. Latinc. 75 BCE–200 CEunusWiktionary, English biune‘one’
  5. EnglishtodaybiuneWiktionary, English biune

Linked words

through Proto-Indo-European *h₁óynos ‘one, single’

an, no, only, any, one, none, 19 more

through Proto-Italic *oinos ‘one’

null, 17 more

through Old Latin oinos

universally, 13 more

through Latin unus ‘one’

union, unique, universal, unite, uno, triune, 14 more

Today it means

adj Both two and one at the same time (for example, Jesus Christ as God the Son and the Son of Man).

Sources

Sources: Wiktionary, “biune”; the older steps come from the Wiktionary entry for Latin unus. 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 *h₁óynos / biune

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