Etymograph

English

conjoin

Conjoin comes from Old French conjoindre, from Latin coniungo ‘to bind together, connect, join, unite, yoke…’, and ultimately from Proto-Indo-European *yunégti ~ *yungénti.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*yunégti ~ *yungénti1reconstructed
  2. Proto-Italicc. 1500–700 BCE*jungō1‘to join’reconstructed
  3. Latinc. 75 BCE–200 CEiungo2‘join’
  4. Latinc. 75 BCE–200 CEconiungo2‘to bind together, connect, join, unite, yoke together, juxtapose’
  5. Old Frenchc. 842–1400conjoindre2
  6. Englishearliest quotation c. 1587–1588conjoin2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin iungo
  2. 2 Wiktionary, English conjoin
  3. Earliest quotation in Wiktionary’s entry: c. 1587–1588, Christopher Marlowe, Tamburlaine the Great. […] The First Part […]: “Our armie will be forty thouſand ſtrong, When Tamburlain…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*yunégti ~ *yungéntiWiktionary, Latin iungoreconstructed
  2. Proto-Italicc. 1500–700 BCE*jungōWiktionary, Latin iungo‘to join’reconstructed
  3. Latinc. 75 BCE–200 CEiungoWiktionary, English conjoin‘join’
  4. Latinc. 75 BCE–200 CEconiungoWiktionary, English conjoin‘to bind together, connect, join, unite, yoke together, juxtapose’
  5. Old Frenchc. 842–1400conjoindreWiktionary, English conjoin
  6. Englishearliest quotation c. 1587–1588conjoinWiktionary, English conjoin. Earliest quotation in Wiktionary’s entry: c. 1587–1588, Christopher Marlowe, Tamburlaine the Great. […] The First Part […]: “Our armie will be forty thouſand ſtrong, When Tamburlain…”

Formed from con- + join

Latin cum ‘with’

English con-

Proto-Indo-European *yewg- ‘to join’

Latin iungō ‘join’

Old French joindre

Middle English joinen ‘to join’

English join

Linked words

through Proto-Italic *jungō ‘to join’

disjunction, 8 more

through Latin iungo ‘join’

junction, junta, adjunct, juncture, adjoining, juxtaposition, subjunctive, joiner, jostle, disjoint, adjoint, enjoin, 10 more

through Latin coniungo ‘to bind together, connect, join, unite, yoke…’

conjunction, conjunct, 1 more

Today it means

verb To join together; to unite; to combine.

Sources

Sources: Wiktionary, “conjoin”; the older steps come from the Wiktionary entry for Latin iungo. 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 *yunégti ~ *yungénti / conjoin

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