Where does “shitbait” come from?

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

Ancestry of “shitbait”, step by step

shitbait traces back through two separate lines of ancestry.

via English shit

StepLanguageWordMeaning
1EnglishshitSolid excretory product evacuated from the...
2Middle Dutchschite
3Old Dutchskīta
4Old Saxonskiti
5Proto-Germanicskītaz
6Proto-Indo-Europeansḱeyd-to shade; to cut off; to part with, separate, cut...
7Proto-Indo-Europeansḱēy-to shine; to shimmer; shadow; luster, gloss,...
8Proto-Germanicskaidąseparation, distinction
9Proto-Indo-EuropeanskÁit-to cut, part, spearate, divide; to cut, part,...

via English bait

StepLanguageWordMeaning
1EnglishbaitAny substance, especially food, used in catching...
2Middle EnglishbayteBait or lure; objects used as a bait or lure;...
3Old Norsebeitato graze; to allow, let, make bite; to steer or...
4Proto-GermanicbaitōThat which is or can be bitten; food; bait
5Proto-Indo-Europeanbʰeyd-to split
6Proto-Indo-Europeanbʰey-bee
Every word from Proto-Indo-European skÁit-Every word from Proto-Germanic skaidąEvery word from Proto-Indo-European sḱēy-