The story
- Proto-Indo-European*gʷṓws
- Proto-Germanic*kōz
- Proto-West Germanic*kō
- Old Englishcū
- Middle Englishcow
- Englishcow
- Proto-Indo-European*mon-
- Proto-Germanic*mann-
- Proto-West Germanic*mann
- Old Englishmann
- Middle Englishman
- English todaycowman
Etymology from Wiktionary, CC BY-SA 4.0.