Where does “cunt munch” come from?

cunt munch (English) comes from English muncher, from English -er, from Middle English -er, from Old French -er, from Latin -āre, from Proto-Italic -āō, from Proto-Indo-European -eh₂yéti, from Proto-Indo-European -yéti — he, she.

Ancestry of “cunt munch”, step by step

cunt munch traces back through two separate lines of ancestry.

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

via English Cunt

StepLanguageWordMeaning
1EnglishCuntThe female genitalia, especially the vulva
2Middle Englishcuntevagina
3Old Englishcuntecunt; vagina; vulva
4Proto-West Germanic*kuntā
5Proto-Germanickuntǭfemale pudenda; vulva; sheath
6Proto-Indo-Europeangʷen-woman
Every word from Chichewa iye
cunt munch — Etymology, Origin & Word History | Etymology Explorer