Etymology Explorer › English

Where does “act” come from?

Act comes from Middle English acte, from Old French acte, from Latin acta and actum, past participle of ago, ultimately from Proto-Indo-European h₂eǵ-, meaning to drive or move.

act (English): Something done, a deed; Actuality; Something done...

Definitions

  1. Something done, a deed; Actuality; Something done...

Ancestry of “act”, step by step

StepLanguageWordMeaning
1Middle Englishacte—
2Old Frenchact—
3Latinācta—
4Latinagō—
5Proto-Italicagōdrive; push, impel; do, act
6Proto-Indo-Europeanh₂éǵetito be driving
7Proto-Indo-Europeanh₂eǵ-to drive

Words derived from “act”

  • acting
  • interact
  • react
  • reactive
  • interacting
  • reactor
  • counteract
  • reactivity
  • reactance
  • counteracting
  • bioreactor
  • immunoreactivity
  • overreact
  • immunoreactive
  • nonreactive
  • acter
  • autoreactive
  • reactively
  • interactor
  • unreactive
  • noninteracting
  • hyperreactivity
  • microreactor
  • interactome
Every word from Proto-Indo-European h₂eǵ- →