The story
- Proto-Indo-European*pewǵ-
- Proto-Germanic*fukkōną
- Old English*fuccian
- Middle English*fukken
- Englishfuck
- Proto-Indo-European*kap-?
- Proto-Indo-European*kap-
- Proto-Indo-European*káput
- Proto-Germanic*haubudą
- Old Englishhēafod
- Middle Englishheed
- Englishhead
- English todayfuckhead
Etymology from Wiktionary, CC BY-SA 4.0.