The story
- Proto-Indo-European*h₂erǵ-
- Proto-Indo-European*h₂érǵus
- Proto-Italic*argusder.?
- Latinarguō
- Latinargūmentum
- Latinargūmentor
- Latinargūmentātiō
- Middle Englishargumentacioun
- English todayargumentation
Inherited from Middle English argumentacioun, from Anglo-Norman argumentacion, Middle French argumentation, or their etymon Latin argūmentātiō; by surface analysis, argument + -ation.
Etymology from Wiktionary, CC BY-SA 4.0.