Where does “dog's-ear” come from?

dog's-ear (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,...

Ancestry of “dog's-ear”, step by step

dog's-ear 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 ear

StepLanguageWordMeaning
1EnglishearThe organ of hearing, consisting of the pinna,...
2Middle EnglishēreThe ear organ that receives sound
3Old Englishēareear
4Proto-West Germanicauʀāear
5Proto-Germanicausôear
6Proto-Indo-Europeanh₂ṓwsear
7Proto-Indo-Europeanh₂ew-to enjoy; to consume; to perceive, see, to be...

Words derived from “dog's-ear

Every word from Proto-Indo-European skÁit-Every word from Proto-Germanic skaidąEvery word from Proto-Indo-European sḱēy-