Etymograph

English

facility

Facility comes from Middle English facilite, from Middle French facilité, from Latin facilitās ‘ease’, from facilis ‘doable, easy’, from faciō ‘to do’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁-1‘to put, do’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁k-2reconstructed
  3. Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁kyéti2reconstructed
  4. Proto-Italicc. 1500–700 BCE*fakjō2‘to make’reconstructed
  5. Latinc. 75 BCE–200 CEfaciō2‘to do, make’
  6. Latinc. 75 BCE–200 CEfacilis2‘doable, easy’
  7. Latinc. 75 BCE–200 CEfacilitās1‘ease, facility’
  8. Middle Frenchc. 1400–1600facilité1
  9. Middle Englishc. 1150–1500facilite1
  10. Englishearliest quotation 1603facility1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English facility
  2. 2 Wiktionary, Latin facilitas
  3. Earliest quotation in Wiktionary’s entry: 1603, Michel de Montaigne, The Essayes […]: “Clytomachus affirmed, that he could never understand by the…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁-Wiktionary, English facility‘to put, do’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁k-Wiktionary, Latin facilitasreconstructed
  3. Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁kyétiWiktionary, Latin facilitasreconstructed
  4. Proto-Italicc. 1500–700 BCE*fakjōWiktionary, Latin facilitas‘to make’reconstructed
  5. Latinc. 75 BCE–200 CEfaciōWiktionary, Latin facilitas‘to do, make’
  6. Latinc. 75 BCE–200 CEfacilisWiktionary, Latin facilitas‘doable, easy’
  7. Latinc. 75 BCE–200 CEfacilitāsWiktionary, English facility‘ease, facility’
  8. Middle Frenchc. 1400–1600facilitéWiktionary, English facility
  9. Middle Englishc. 1150–1500faciliteWiktionary, English facility
  10. Englishearliest quotation 1603facilityWiktionary, English facility. Earliest quotation in Wiktionary’s entry: 1603, Michel de Montaigne, The Essayes […]: “Clytomachus affirmed, that he could never understand by the…”

Equivalent to facile + -ity

Proto-Indo-European *dʰeh₁- ‘to do, put’

Latin facere ‘to do, make’

Latin facilis ‘easy to do, easy, doable’

Middle French facile ‘easy’

English facile

Linked words

through Proto-Italic *θakjō

effectively, effectiveness, ineffective, affectionate, imperfection, putrefaction, 63 more

through Proto-Italic *fakjō ‘to make’

effective, factor, perfection, affection, interface, manufacture, imperfect, faction, affective, defection, facet, defector, effector, affectation, confectionary, deface, 69 more

through Latin faciō ‘to make, construct, fashion, frame, build, erect’

perfect, effect, face, fact, feature, affect, profit, infection, efficient, difficulty, sacrifice, affair, feat, deficit, defect, fetish, efficacy, facial, superficial, infect, counterfeit, deficient, facade, maleficent, beautify, facsimile, confection, hacienda, aficionado, refectory, efficacious, beneficent, parfait, confit, facies, 85 more

through Latin facilis ‘doable, easy’

difficult, difficile, 4 more

through Latin facilitās ‘ease, easiness, facility, readiness’

faculty

Today it means

noun The physical means or contrivances to make something (especially a public service) possible; the required equipment, infrastructure, location etc.

Sources

Sources: Wiktionary, “facility”; the older steps come from the Wiktionary entry for Latin facilitas. 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 *dʰeh₁- / facility