The story
- Proto-Indo-European*sew-?
- Proto-Indo-European*sewH-
- Proto-Indo-European*suHnús
- Proto-Germanic*sunuz
- Proto-West Germanic*sunu
- Old Englishsunu
- Middle Englishsone
- Englishson
- Englishfucker
- Englishmotherfuckerinflu.
- Urduبیٹا چود (beṭā cod)
- Hindiबेटाचोद (beṭācod)
- English todaysonfucker
Compound of son + fucker, by analogy with motherfucker. Calque of Hindustani بیٹا چود (beṭā cod) / बेटाचोद (beṭācod).
Etymology from Wiktionary, CC BY-SA 4.0.