Where does “meateating” come from?

meateating (English) comes from English eating, from Middle English etynge, from Old English eting, from Old English -ing, from Old English -tūn, from Old English tūn, from Proto-West Germanic tūn, from Proto-Germanic tūną — smoke; mist, haze.

Ancestry of “meateating”, step by step

meateating traces back through two separate lines of ancestry.

via English eating

StepLanguageWordMeaning
1Englisheatingpresent participle of eat; Bred to be eaten;...
2Middle Englishetyngeeating
3Old Englishetingeating
4Old English-ingForming nouns from verbs, indicating action,...
5Old English-tūnhomestead, village, town
6Old Englishtūnenclosure, yard; place; dwelling
7Proto-West Germanictūnfence
8Proto-Germanictūnąfence; enclosure
9Gaulishdunumfort; hill, hillfort
10Proto-Celticdūnomstronghold, rampart
11Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via English meat

StepLanguageWordMeaning
1EnglishmeatThe flesh of an animal used as food; A type of...
2Middle EnglishmeteFood, nourishment or comestibles; that which is...
3Middle Englishbake meteAny kind of cooked food which has a pastry...
4Middle EnglishbakenTo bake; to cook in an oven; usually used of...
5Old Englishbacanto bake
6Proto-West Germanicbakanto bake
7Proto-Germanicbakanąto bake
8Proto-Indo-Europeanbʰeh₃g-to bake, to roast, to fry
Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Celtic dūnomEvery word from Gaulish dunum