Etymograph

English

actuation

Actuation comes from Latin āctuō ‘to actuate, activate, implement’, from agō ‘to act, to behave’, and ultimately from Proto-Indo-European *h₂eǵ-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂eǵ-reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*h₂éǵeti‘to be driving’reconstructed
  3. Proto-Italicc. 1500–700 BCE*agō‘to drive’reconstructed
  4. Latinc. 75 BCE–200 CEagō‘to act, to behave’
  5. Latin, derivedc. 75 BCE–200 CEāctus
  6. Latin, derivedc. 75 BCE–200 CEāctuō‘to actuate, activate, implement’
  7. Medieval Latinmodernāctuātus
  8. English1500–presentactuate
  9. Englishearliest quotation 1954actuation

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂eǵ-reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*h₂éǵeti‘to be driving’reconstructed
  3. Proto-Italicc. 1500–700 BCE*agō‘to drive’reconstructed
  4. Latinc. 75 BCE–200 CEagō‘to act, to behave’
  5. Latin, derivedc. 75 BCE–200 CEāctus
  6. Latin, derivedc. 75 BCE–200 CEāctuō‘to actuate, activate, implement’
  7. Medieval Latinmodernāctuātus
  8. English1500–presentactuate
  9. Englishearliest quotation 1954actuation

Earliest quotation: 1954, Third Class Corridor Brake Coaches for British Railways: “All the outside passenger doors are fitted with drop…”

A compound of actuate + -ion

Proto-Indo-European *h₂eǵ-

…

Latin agō ‘do, act’

Latin āctus

Medieval Latin āctuō ‘actuate, implement’

Medieval Latin āctuātus ‘actuated’

English actuate

Linked words

through Proto-Indo-European *h₂eǵ-

suggest, register, essay, gesture, acre, digest, congestion, agrarian, belligerent, progesterone, ingest, agitate, gestation, agger, samaj, axiomatic, gerund, gestion, 132 more

through Proto-Indo-European *h₂éǵeti ‘to be driving’

strategy, agony, antagonist, axiom, antagonism, agonist, reactionary, antagonize, stratagem, glucagon, agonize, 105 more

through Proto-Italic *agō ‘to drive’

reaction, actively, transaction, radioactive, inactive, unambiguous, reagent, retroactive, hyperactivity, ambiguously, 83 more

through Latin agō ‘to act, to behave’

agency, act, agent, activity, active, action, agenda, examine, examination, ambiguous, agile, ambiguity, agility, assay, activate, squat, enact, radium, cogent, agitation, exigent, inexact, redact, 100 more

through Latin āctus

actor, 9 more

Today it means

noun The act of putting into motion.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *h₂eǵ- / actuation