The story
- Proto-Indo-European*h₂eǵ-
- Proto-Indo-European*h₂éǵeti
- Proto-Italic*agō
- Latinagō
- Latināctus
- Latinācta
- Old Frenchact
- Middle Englishacte
- Englishact
- Proto-Indo-European*lewh₁-
- Proto-Indo-European*lewHs-
- Proto-Germanic*leusaną
- Proto-Germanic*lausaz
- English todayactless
Etymology from Wiktionary, CC BY-SA 4.0.