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*sent-
- Proto-Italic*sentiō
- Latinsentiō
- Latinsēnsu
- Proto-Germanic*sinnaz
- Frankish*sinn
- Vulgar Latin*sennus
- Old Frenchsens
- Middle Englishsense
- Englishsense
- English todaycountersense
From counter- + sense; adaptation of French contresens.
Etymology from Wiktionary, CC BY-SA 4.0.