Etymology

actuator

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Today it means: Something that actuates something else. Full definition →

English actuate ← Medieval Latin āctuātus ← Latin āctuō
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The story

  1. Proto-Indo-European*h₂eǵ-
  2. Proto-Indo-European*h₂éǵeti
  3. Proto-Italic*agō
  4. Latinagō
  5. Latināctus
  6. Latināctuō
  7. Medieval Latināctuātus
  8. Englishactuate
  9. English todayactuator

From actuate + -or. First attested in 1652.

Etymology from Wiktionary, CC BY-SA 4.0.