Where does “fuckpig” come from?

fuckpig (English) comes from English fuck, from Middle English fukken, from Old Norse fukka, from Proto-Germanic fukkōną, from Proto-Indo-European pewǵ- — to punch, fist-fight; to prick, poke, stab.

Ancestry of “fuckpig”, step by step

fuckpig traces back through two separate lines of ancestry.

via English fuck

StepLanguageWordMeaning
1EnglishfuckTo have sexual intercourse, to copulate; To have...
2Middle Englishfukkento fuck; to beat, strike
3Old Norsefukka
4Proto-Germanicfukkōnąto blow, gust; to strike, assail; to copulate
5Proto-Indo-Europeanpewǵ-to punch, fist-fight; to prick, poke, stab

via English pig

StepLanguageWordMeaning
1EnglishpigAny of several intelligent mammalian species of...
2Middle EnglishpiggeA piglet or young pig; A pig irrespective of age;...
3Old Englishpicgaa young pig; piglet
4Proto-West Germanicpiggōpig
Every word from Proto-Indo-European pewǵ-Every word from Proto-Germanic fukkōnąEvery word from Old Norse fukka