Etymograph

English

liaison

Liaison comes from French liaison ‘binding’, from Latin ligō ‘to bind’, and ultimately from Proto-Indo-European *leyǵ-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*leyǵ-1‘to bind’reconstructed
  2. Latinc. 75 BCE–200 CEligō1‘to bind’
  3. Latinc. 75 BCE–200 CEligātiō1‘binding, bandage’
  4. Frenchc. 1600–presentliaison1‘binding’
  5. Englishearliest quotation 1759liaison1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English liaison
  2. Earliest quotation in Wiktionary’s entry: 1759, William Verral, XV. Des perdreaux au celery blanc. Partridges with celery sa: “[…]prepare a liaison, or four or five yolks of…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*leyǵ-Wiktionary, English liaison‘to bind’reconstructed
  2. Latinc. 75 BCE–200 CEligōWiktionary, English liaison‘to bind’
  3. Latinc. 75 BCE–200 CEligātiōWiktionary, English liaison‘binding, bandage’
  4. Frenchc. 1600–presentliaisonWiktionary, English liaison‘binding’
  5. Englishearliest quotation 1759liaisonWiktionary, English liaison. Earliest quotation in Wiktionary’s entry: 1759, William Verral, XV. Des perdreaux au celery blanc. Partridges with celery sa: “[…]prepare a liaison, or four or five yolks of…”

Linked words

through Proto-Indo-European *leyǵ- ‘to bind’

obligation, oblige, 12 more

through Latin ligō ‘to bind’

league, religious, religion, ally, alloy, liable, ligament, lien, ligand, ligature, religiosity, obligate, legato, 14 more

through Latin ligātiō ‘binding, bandage’

ligation

Today it means

noun A thickening for sauces, typically based on egg yolks.

Sources

Sources: Wiktionary, “liaison”. 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 *leyǵ- / liaison