Where does “shriekery” come from?

shriekery (English) comes from English shriek, from Middle English scrycke, from Proto-Germanic skrīkijaną, from Proto-Germanic skrīhaną, from Proto-Indo-European (s)kerey- — to scream, screech; to scream, caw.

Ancestry of “shriekery”, step by step

shriekery traces back through two separate lines of ancestry.

via English shriek

StepLanguageWordMeaning
1EnglishshriekA sharp, shrill outcry or scream; a shrill wild...
2Middle Englishscrycke
3Proto-Germanicskrīkijanąto cry, scream, shriek
4Proto-Germanicskrīhanąto shout, scream; to cry out, proclaim
5Proto-Indo-European(s)kerey-to scream, screech; to scream, caw

via English ery

StepLanguageWordMeaning
1Englishery
Every word from Proto-Indo-European (s)kerey-Every word from Proto-Germanic skrīhanąEvery word from Proto-Germanic skrīkijaną