Where does “buttmuncher” come from?

buttmuncher (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...

Ancestry of “buttmuncher”, step by step

buttmuncher 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 muncher

StepLanguageWordMeaning
1EnglishmuncherSomeone who munches
2English-erA person or thing that does an action indicated...
3Middle English-eragentive suffix; agent noun suffix
4Old French-erAlternative form of -ier, verbal suffix;...
5Latin-ārefirst conjugation
6Proto-Italic-āōForms primarily denominative verbs
7Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
8Proto-Indo-European-yétiCreates intransitive, often deponent,...
9Proto-Indo-Europeanyé-
10Chichewaiyehe, she
Every word from Proto-Indo-European bʰew-