Where does “rumpknulla” come from?

rumpknulla (Swedish) comes from Swedish rumpa, from Old Swedish rumpa, from Old Norse rumpr, from Middle Low German rump, from Proto-Germanic rumpō — trunk of a tree, log.

rumpknulla (Swedish): to buttfuck

Definitions

  1. to buttfuck

Ancestry of “rumpknulla”, step by step

rumpknulla traces back through two separate lines of ancestry.

via Swedish rumpa

StepLanguageWordMeaning
1Swedishrumpaa butt, a backside, a rump
2Old Swedishrumpatail
3Old Norserumprrump
4Middle Low Germanrumpthe bulk or trunk of a body, trunk of a tree
5Proto-Germanicrumpōtrunk of a tree, log

via Swedish knulla

StepLanguageWordMeaning
1Swedishknullato have sex; to fuck
2Proto-Germanicknuzlijanąto butt; bump; knock; beat; to mash
3Proto-Indo-Europeanǵen-
Every word from Proto-Germanic rumpō