Where does “dogfood” come from?

dogfood (English) comes from English dog, from English dogshit, from English shit, from Middle Dutch schite, from Old Dutch skīta, from Old Saxon skiti, from Proto-Germanic skītaz, from Proto-Indo-European sḱeyd- — to cut, part, spearate, divide; to cut, part,...

dogfood (English): To eat one's own dog food, to use products...

Definitions

  1. To eat one's own dog food, to use products...

Ancestry of “dogfood”, step by step

dogfood traces back through two separate lines of ancestry.

via English dog

StepLanguageWordMeaning
1EnglishdogA mammal, "Canis familiaris" or "Canis lupus...
2EnglishdogshitDog excrement; Something disgusting, abominable,...
3EnglishshitSolid excretory product evacuated from the...
4Middle Dutchschite
5Old Dutchskīta
6Old Saxonskiti
7Proto-Germanicskītaz
8Proto-Indo-Europeansḱeyd-to shade; to cut off; to part with, separate, cut...
9Proto-Indo-Europeansḱēy-to shine; to shimmer; shadow; luster, gloss,...
10Proto-Germanicskaidąseparation, distinction
11Proto-Indo-EuropeanskÁit-to cut, part, spearate, divide; to cut, part,...

via English food

StepLanguageWordMeaning
1EnglishfoodAny solid substance that can be consumed by...
2Middle Englishfodefood, nourishment; manna; holy nourishment
3Old Englishfōdafood
4Proto-Germanicfōdôfood, nourishment
5Proto-Indo-Europeanpat-to feed; path; to go
Every word from Proto-Indo-European skÁit-Every word from Proto-Germanic skaidąEvery word from Proto-Indo-European sḱēy-