conwoman

The story

1. Proto-Indo-European*ǵneh₃-
2. Proto-Indo-European*ǵn̥néh₃ti
3. Proto-Germanic*kunnaną
4. Proto-West Germanic*kunnan
5. Old Englishcunnan
6. Middle Englishconnen
7. Englishcon
8. Proto-Germanic*wībą
9. Proto-West Germanic*wīb
10. Old Englishwīf
11. Proto-Indo-European*mon-
12. Proto-Germanic*mann-
13. Proto-West Germanic*mann
14. Old Englishmann
15. Old Englishwīfmann
16. Middle Englishwoman
17. English todayconwoman

From con + -woman.