The story
- Proto-Indo-European*gʷṓws
- Proto-Germanic*kōz
- Proto-West Germanic*kō
- Old Englishcū
- Middle Englishcow
- Englishcow
- Proto-Indo-European*sent-
- Proto-Italic*sentiō
- Latinsentiō
- Latinsēnsu
- Proto-Germanic*sinnaz
- Frankish*sinn
- Vulgar Latin*sennus
- Old Frenchsens
- Middle Englishsense
- Englishsense
- English todaycowsense
Etymology from Wiktionary, CC BY-SA 4.0.