Where does “actus” come from?

Actus comes from Latin actus, the past participle of agere meaning "to drive or do," derived from Proto-Indo-European h₂eǵ- with the past participle suffix -tós.

actus (English): A former Roman unit of length, equal to 120 Roman...

Definitions

  1. A former Roman unit of length, equal to 120 Roman...

Ancestry of “actus”, step by step

StepLanguageWordMeaning
1Latināctusmade, done, having been done
2Latinagōto act, to behave
3Proto-Italicagōdrive; push, impel; do, act
4Proto-Indo-Europeanh₂éǵetito be driving
5Proto-Indo-Europeanh₂eǵ-to drive
Every word from Proto-Indo-European h₂eǵ- →Every word from Proto-Indo-European h₂éǵeti →Every word from Proto-Italic agō →
actus — Etymology, Origin & Word History | Etymology Explorer