Where does “butthole” come from?

butthole (English) comes from English butt, from Middle English butten, from Anglo-Norman buter, from Old French boter, from Old French bouter, from Frankish bautan, from Proto-West Germanic bautan, from Proto-Germanic bautaną — to grow, swell; to swell, wax, grow; to blow; to...

butthole (English): The anus; An objectionable person; a bastard; a...

Definitions

  1. The anus; An objectionable person; a bastard; a...

Ancestry of “butthole”, step by step

butthole traces back through two separate lines of ancestry.

via English butt

StepLanguageWordMeaning
1EnglishbuttThe larger or thicker end of something; the blunt...
2Middle Englishbutten
3Anglo-Normanbuterto strike, finish
4Old Frenchboterto push, butt, strike; to strike; to push; thrust
5Old Frenchbouterto strike; to hit; to place; to put; to enter
6Frankishbautanto push, strike, beat; to hit, strike; to hit,...
7Proto-West Germanicbautanto beat
8Proto-Germanicbautanąto beat, push
9Proto-Indo-Europeanbʰewd-to hit, strike; to beat, push; to strike, push,...
10Proto-Indo-Europeanbʰew-to grow, swell; to swell, wax, grow; to blow; to...

via English hole

StepLanguageWordMeaning
1EnglishholeA hollow place or cavity; an excavation; a pit;...
2Middle Englishholehealthy; safe; whole, complete, full
3Old Englishhola hole, a hollow; calumny; slander
4Proto-West Germanicholhollow; hole
5Proto-Germanichuląa hollow; depression; hole
6Proto-Germanichulazhollow
7Proto-Indo-Europeanḱel-to cover; to incline
Every word from Proto-Indo-European bʰew-Every word from Proto-Indo-European bʰewd-Every word from Proto-Germanic bautaną