Where does “actau” come from?

actau (Welsh) comes from Welsh act, from English Act, from English actually, from English actual, from Middle English actual, from Anglo-Norman actuel, from Old French actual, from Latin actuālis — to drive.

Ancestry of “actau”, step by step

StepLanguageWordMeaning
1Welshactact
2EnglishAct
3EnglishactuallyIn act or in fact; really; in truth; positively;...
4Englishactualrelating to a person's acts or deeds; active,...
5Middle Englishactualactual, real, true
6Anglo-Normanactuel
7Old Frenchactual
8Latinactuālisactive, practical
9Latināctusmade, done, having been done
10Latinagōto act, to behave
11Proto-Italicagōdrive; push, impel; do, act
12Proto-Indo-Europeanh₂éǵetito be driving
13Proto-Indo-Europeanh₂eǵ-to drive
Every word from Proto-Indo-European h₂eǵ-Every word from Proto-Indo-European h₂éǵetiEvery word from Proto-Italic agō