Etymograph

English

profectitious

Profectitious comes from Latin prōficiscor ‘set out, proceed’, from prōficiō ‘to advance, to make headway’, and ultimately from Proto-Indo-European *dʰeh₁k-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁k-1reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁kyéti1reconstructed
  3. Proto-Italicc. 1500–700 BCE*θakjō1reconstructed
  4. Proto-Italicc. 1500–700 BCE*fakjō1‘to make’reconstructed
  5. Latinc. 75 BCE–200 CEfaciō1‘make, construct’
  6. Latinc. 75 BCE–200 CEprōficiō2‘to advance, to make headway’
  7. Latinc. 75 BCE–200 CEprōficiscor3‘set out, proceed’
  8. Latinc. 75 BCE–200 CEprōfectitius3
  9. Englishearliest quotation 1776–1788profectitious3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin proficio
  2. 2 Wiktionary, Latin proficiscor
  3. 3 Wiktionary, English profectitious
  4. Earliest quotation in Wiktionary’s entry: 1776–1788, Edward Gibbon, The History of the Decline and Fall of the Roman Empire: “The threefold distinction of profectitious, adventitious, and professional was…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁k-Wiktionary, Latin proficioreconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*dʰh₁kyétiWiktionary, Latin proficioreconstructed
  3. Proto-Italicc. 1500–700 BCE*θakjōWiktionary, Latin proficioreconstructed
  4. Proto-Italicc. 1500–700 BCE*fakjōWiktionary, Latin proficio‘to make’reconstructed
  5. Latinc. 75 BCE–200 CEfaciōWiktionary, Latin proficio‘make, construct’
  6. Latinc. 75 BCE–200 CEprōficiōWiktionary, Latin proficiscor‘to advance, to make headway’
  7. Latinc. 75 BCE–200 CEprōficiscorWiktionary, English profectitious‘set out, proceed’
  8. Latinc. 75 BCE–200 CEprōfectitiusWiktionary, English profectitious
  9. Englishearliest quotation 1776–1788profectitiousWiktionary, English profectitious. Earliest quotation in Wiktionary’s entry: 1776–1788, Edward Gibbon, The History of the Decline and Fall of the Roman Empire: “The threefold distinction of profectitious, adventitious, and professional was…”

Linked words

through Proto-Italic *θakjō

effectively, effectiveness, ineffective, affectionate, imperfection, putrefaction, 61 more

through Proto-Italic *fakjō ‘to make’

factor, effective, difficulty, interface, manufacture, perfection, faction, affection, facet, imperfect, affective, deface, defection, defector, effector, affectation, confectionary, 67 more

through Latin faciō ‘make, construct’

face, fact, difficult, perfect, feature, effect, facility, efficient, faculty, affair, sacrifice, affect, facial, deficit, facilitate, feat, infection, efficacy, superficial, facade, deficient, fetish, defect, counterfeit, facsimile, infect, hacienda, maleficent, aficionado, facies, difficile, beautify, parfait, efficacious, beneficent, confit, refectory, confection, 84 more

through Latin prōficiō ‘to advance, to make headway’

profit

Today it means

adj Proceeding from, or as if from, a parent; derived, as from an ancestor.

Sources

Sources: Wiktionary, “profectitious”; the older steps come from the Wiktionary entries for Latin proficio, Latin proficiscor. 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 *dʰeh₁k- / profectitious

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