The story
- Proto-Indo-European*ḱe?
- Proto-Indo-European*ḱóm
- Proto-Italic*kom
- Proto-Italic*kom-
- Proto-Italic*komteros
- Proto-Italic*komterād
- Latincontrā
- Old Frenchcontre-
- Anglo-Normancountre-
- Middle Englishcounter-
- Englishcounter-
- Proto-Indo-European*h₂erǵ-
- Proto-Indo-European*h₂érǵus
- Proto-Italic*argusder.?
- Latinarguō
- Old Frencharguer
- Middle Englisharguen
- Englishargue
- Englishcounterargue
- English todaycounterarguable
From counterargue + -able.
Etymology from Wiktionary, CC BY-SA 4.0.