Where does “flappity” come from?

flappity (English) comes from English flap, from Middle English flap.

flappity (English): Nonce variation of the word flap, usually...

Definitions

  1. Nonce variation of the word flap, usually...

Ancestry of “flappity”, step by step

flappity traces back through two separate lines of ancestry.

via English flap

StepLanguageWordMeaning
1EnglishflapAnything broad and flexible that hangs loose, or...
2Middle Englishflap—

via English ity

StepLanguageWordMeaning
1Englishity—
2Ingrian-uUsed to form nouns from verbs
Every word from Middle English flap →