The story
- Proto-Indo-European*h₂erǵ-
- Proto-Indo-European*h₂érǵus
- Proto-Italic*argusder.?
- Latinarguō
- Latinargūmentum
- Anglo-Normanarguement
- Middle Englishargument
- Englishargument
- Proto-Indo-European*keyt-
- Proto-Germanic*haiduz
- English todayargumenthood
Etymology from Wiktionary, CC BY-SA 4.0.